CN111449029B - Fry fishing device and fry fishing method - Google Patents
Fry fishing device and fry fishing method Download PDFInfo
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- CN111449029B CN111449029B CN202010223788.8A CN202010223788A CN111449029B CN 111449029 B CN111449029 B CN 111449029B CN 202010223788 A CN202010223788 A CN 202010223788A CN 111449029 B CN111449029 B CN 111449029B
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- fry
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K77/00—Landing-nets for fishing; Landing-spoons for fishing
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- Life Sciences & Earth Sciences (AREA)
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- Marine Sciences & Fisheries (AREA)
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- Biodiversity & Conservation Biology (AREA)
- Mechanical Means For Catching Fish (AREA)
Abstract
The invention discloses a fry fishing device, aiming at solving the defect that the body of a fry is easy to be damaged in the fry fishing process. The fishing device comprises a connecting ring, a net ring and a fish pocket capable of containing water, wherein the connecting ring is connected with a lifting rod and a fishing mechanism, the fishing mechanism comprises a rotating shaft, a plurality of fishing blades and a driving shaft, the fishing blades are uniformly arranged on the rotating shaft, the rotating shaft is rotatably arranged on the connecting ring, the fishing blades are in a C-shaped structure, the opening direction of the C-shaped fishing blade is the same as the rotating direction of the rotating shaft, a fishing cavity is formed between every two adjacent fishing blades, and a fishing opening for blocking big fish and allowing fish fries to pass is formed between the outer ends of every two adjacent fishing blades; the drive shaft is rotatably arranged outside the connecting ring, a drive blade driven by water flow to rotate is arranged on the drive shaft, and the drive shaft is in transmission connection with the rotating shaft. The fry fishing device is not easy to damage fries in the fry fishing process.
Description
Technical Field
The invention relates to a fishing gear, in particular to a fry fishing device and a fry fishing method.
Background
With the rise and development of aquaculture industry in China, the phenomena of transporting the fry from a breeding place to a different place for breeding and releasing are increasing day by day, and the process can involve the link of transferring the fry from a breeding pond to a transport ship or a transport vehicle. And the common fish net is adopted to fish the fry, which easily causes the damage and even death of the fry body. The big fish exists in the culture pond many times, and the fry is easily damaged by the disorderly fleeing of the big fish in the process of fishing and capturing the fry. In order to avoid catching the big fish in the process of fishing the fry, a filter screen is generally installed at the opening of the fishing tool, the filter screen can allow the fry to pass through, but the big fish cannot pass through. Although this method prevents large fish from entering, large fish struggle at the filter screen and can injure small fish.
Disclosure of Invention
The invention overcomes the defect that the fish body is easy to damage in the fry fishing process, and provides the fry fishing device and the fry fishing method.
In order to solve the technical problems, the invention adopts the following technical scheme: a fry fishing device comprises a connecting ring, a net ring and a fish pocket which are sequentially connected, wherein the connecting ring is connected with a lifting rod and a fishing mechanism, the fishing mechanism comprises a rotating shaft, a plurality of fishing blades and a driving shaft, the fishing blades are uniformly arranged on the rotating shaft, the rotating shaft is rotatably arranged on the connecting ring, the fishing blades are in a C-shaped structure, the opening direction of the C-shaped fishing blade is the same as the rotating direction of the rotating shaft, a fishing cavity is formed between every two adjacent fishing blades, and a fishing opening which is used for blocking big fish and can be used for allowing the fry to pass is formed between the outer ends of every two adjacent fishing blades; the drive shaft is rotatably arranged outside the connecting ring, a drive blade driven by water flow to rotate is arranged on the drive shaft, and the drive shaft is in transmission connection with the rotating shaft.
When the fry fishing device is used, the fry fishing device is inserted into the seedling raising pool by holding the lifting rod. After the fry fishing device is immersed in the nursery pond, the fry fishing device is lifted upwards through the lifting rod, the water flow drives the driving blade to rotate, so that the rotating shaft is driven to rotate, the fry is fished into the fishing cavity from the fishing opening and then is carried into the fish pocket, the big fish is blocked outside the fishing opening, the fry fishing device is lifted to the water surface, the fry fishing device is lifted upwards by the crane and is transferred to the upper part of a transport vehicle or a transport ship, the lower end of the fish pocket is untied after the fry is transferred to the position, and the water flow and the fry fall into the transport vehicle or the transport ship together. Drag for the fish mouth and can supply the fry to pass through, and big fish is bulky, is kept off outside, and the fry is dragged for the in-process and is dragged for the blade and be the pivoted, rotates the in-process and directly outwards dials away big fish, and the fry brings into the fish pocket along with rivers together in, and the probability of fry collision reduces. The fry fishing device is not easy to damage fries in the fry fishing process.
Preferably, the driving shaft is vertically arranged, a driving bevel gear is mounted on the driving shaft, a driven bevel gear is mounted on the rotating shaft, and the driving bevel gear and the driven bevel gear are in meshing transmission. The transmission structure between the driving shaft and the rotating shaft is simple and the transmission is reliable.
Preferably, a driving shaft is arranged at the connecting position of the two ends of the rotating shaft and the connecting ring, driven bevel gears are arranged at the two ends of the rotating shaft, driving bevel gears at the upper ends of the two driving shafts are respectively in meshed transmission with the driven bevel gears at the two ends of the rotating shaft, and the lower ends of the two driving shafts are connected with driving blades. The two ends of the rotating shaft are respectively in transmission connection with the two driving shafts, so that the transmission process is more stable and reliable.
Preferably, the fish bag is made of waterproof cloth, and the lower end of the fish bag is fastened by a pull rope. The fish pocket that the tarpaulin was made has certain flexibility, is convenient for the clamping ring to stretch into the bottom of breeding the pond downwards. The lower end of the fish bag is tied by a pull rope, and the lower end of the fish bag is opened by unfastening the pull rope when the fry is unloaded, so that the fish can be conveniently unloaded.
Preferably, the outer ends of the fishing blades are connected with flexible strips. The flexible strip is not easy to damage the fish body when touching the fry.
Preferably, a plurality of lifting hooks are uniformly distributed at the upper end of the connecting ring. The lifting hook is convenient for lifting the fry to fish the device.
Preferably, the rotating shaft is sleeved with a driving ring, the driving ring is rotatably arranged on the connecting ring, the inner wall of the driving ring is hinged with a plurality of pushing pawls which are uniformly distributed, abutting springs are connected between the pushing pawls and the driving ring, a convex ring is arranged on the rotating shaft at a position corresponding to the driving ring, a circle of ratchet groove is arranged on the outer wall of the convex ring, and the pushing pawls can be inserted into the ratchet grooves and push the convex ring to rotate; the rotary pressure rod and the ratchet wheel are mounted on the lifting rod, the upper end of the pressure rod is hinged to the lifting rod, an arc-shaped strip is arranged at the lower end of the pressure rod, a plurality of driving pawls arranged at intervals are mounted on the arc-shaped strip, a circle of ratchet groove is formed in the outer wall of the ratchet wheel, the driving pawls can be inserted into the ratchet groove and push the ratchet wheel to rotate, a return spring is connected between the driving pawls and the arc-shaped strip, a return spring is connected between the pressure rod and the lifting rod, and the ratchet wheel and the driving ring are in belt transmission.
After the fry fishing device is immersed in the pond of growing seedlings, constantly pressing the depression bar, the drive pawl on the arc strip of depression bar lower extreme constantly promotes the ratchet and rotates to make the drive ring rotate through the belt drive, the intra-annular promotion pawl of drive promotes the bulge loop and rotates, thereby drives the pivot and rotates, and the fry gets into the chamber of fishing for the fish from the mouth of fishing for the fish this moment, along with the rotation of fishing for the blade, the fry is from the chamber of fishing for the fish and bring into in the fish pocket. The structure can realize the rotation of the rotating shaft in a manual mode, and when the pressure lever is not moved, the driving blade cannot be blocked to drive the rotating shaft to rotate, and the rotating shaft can be prevented from rotating reversely.
Preferably, a limiting lug is arranged on the pushing pawl close to the position hinged with the driving ring, a limiting column is arranged on the driving ring, and the limiting lug abuts against the limiting column; the driving pawl is provided with a butt convex block close to the hinged position of the arc strip, the arc strip is provided with a butt column, and the butt convex block is in butt connection with the butt column. The limiting column realizes limiting of the pushing pawl, and the pushing pawl is guaranteed to push the convex ring to rotate. The butt post realizes spacing to the drive pawl, guarantees that the drive pawl can drive the ratchet and rotate.
A fry fishing method by using a fry fishing device comprises the following steps: a. the fry fishing device is inserted into the fry raising pool by holding the lifting rod by hand, the pawl is pushed to be clamped in the ratchet groove, the pawl is driven to be clamped in the ratchet groove, and the rotating shaft cannot rotate; b. after the fry fishing device is immersed in the seedling raising pond, the pressure rod is continuously pressed, the driving pawl on the arc-shaped strip at the lower end of the pressure rod continuously pushes the ratchet wheel to rotate, so that the driving ring is driven to rotate through belt transmission, the pushing pawl in the driving ring pushes the convex ring to rotate, so that the rotating shaft is driven to rotate, at the moment, the fry enters the fish fishing cavity from the fish fishing port, and the fry is brought into the fish pocket from the fish fishing cavity along with the rotation of the fishing blade; c. the fry fishing device is lifted upwards through the lifting rod, at the moment, the water flow drives the driving blade to rotate, so that the rotating shaft is driven to rotate, and the fry is continuously fished into the fishing cavity from the fishing port and then is carried into the fish pocket; d. after the fry fishing device rises to the water surface, the fry fishing device is lifted upwards by a crane and transferred to the upper part of a transport vehicle or a transport ship, after the fry fishing device is transferred to the upper part, the lower end of a fish pocket is untied, and water flow and the fry fall into the transport vehicle or the transport ship together.
Drag for the fish mouth and can supply the fry to pass through, and big fish is bulky, is kept off outside, and the fry is dragged for the in-process and is dragged for the blade and be the pivoted, rotates the in-process and directly outwards dials away big fish, and the fry brings into the fish pocket along with rivers together in, and the probability of fry collision reduces.
Preferably, in step c, the lifting rod continuously presses the pressing rod while rising, so as to accelerate the rotation speed of the rotating shaft. The rotating shaft can rotate in the lifting process.
Compared with the prior art, the invention has the beneficial effects that: the phenomenon of fish fry damage is not easy to occur in the fish fry fishing process.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of embodiment 2 of the present invention;
FIG. 3 is a schematic view of the connection of the shaft and the scoop blade of the present invention;
fig. 4 is a schematic view of a connection structure of a drive ring of embodiment 2 of the invention;
FIG. 5 is a schematic view of a connection structure of a pressure lever of embodiment 2 of the present invention;
in the figure: 1. the fishing device comprises a connecting ring, 2, a net ring, 3, a fish pocket, 4, a lifting rod, 5, a rotating shaft, 6, fishing blades, 7, a driving shaft, 8, a fishing cavity, 9, a fishing opening, 10, a driving blade, 11, a driving bevel gear, 12, a driven bevel gear, 13, a flexible strip, 14, a driving ring, 15, a pushing pawl, 16, a butting spring, 17, a convex ring, 18, a ratchet groove, 19, a pressing rod, 20, a ratchet, 21, an arc strip, 22, a driving pawl, 23, a ratchet groove, 24, a return spring, 25, a return spring, 26, a limiting lug, 27, a limiting column, 28, a butting lug, 29 and a butting column.
Detailed Description
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1: a fry fishing device (see attached figures 1 and 3) comprises a connecting ring 1, a net ring 2 and a fish pocket 3 which can be filled with water, wherein the connecting ring is connected with a lifting rod 4 and a fishing mechanism, the fishing mechanism comprises a rotating shaft 5, a plurality of fishing blades 6 and a driving shaft 7, the fishing blades are uniformly arranged on the rotating shaft, the rotating shaft is rotatably arranged on the connecting ring, the fishing blades are in a C-shaped structure, the opening direction of the C-shaped fishing blade is the same as the rotating direction of the rotating shaft, a fishing cavity 8 is formed between every two adjacent fishing blades, and a fishing opening 9 which is used for blocking big fish and can be used for the fry to pass through is formed between the outer ends of every two adjacent fishing blades; the driving shaft is rotatably arranged outside the connecting ring, a driving blade 10 driven by water flow to rotate is arranged on the driving shaft, and the driving shaft is in transmission connection with the rotating shaft. The connecting ring opening becomes the rectangle structure, and the blade of fishing is connected and is formed on the pivot and fish for the wheel, fish for wheel and connecting ring open position adaptation, fish for wheel both ends and all connect the baffle, fish for the blade tip and all be connected with the baffle.
The rotating shaft is transversely arranged, the driving shaft is vertically arranged, the driving bevel gear 11 is installed on the driving shaft, the driven bevel gear 12 is installed on the rotating shaft, and the driving bevel gear and the driven bevel gear are in meshing transmission. A driving shaft is arranged at the connecting position of the two ends of the rotating shaft and the connecting ring, driven bevel gears are arranged at the two ends of the rotating shaft, driving bevel gears at the upper ends of the two driving shafts are respectively in meshed transmission with the driven bevel gears at the two ends of the rotating shaft, and the lower ends of the two driving shafts are connected with driving blades. The fish bag is made of waterproof cloth, and the lower end of the fish bag is tied tightly by a pull rope. The outer ends of the fishing blades are connected with flexible strips 13. A plurality of lifting hooks are uniformly distributed at the upper end of the connecting ring. The clamping ring is of an annular cylindrical structure, two clamping lugs are arranged at the upper end of the clamping ring, and the rotating shaft is rotatably connected between the two clamping lugs. The outer wall of the connecting ring is provided with a mounting frame corresponding to the driving shaft, and the driving shaft is rotatably mounted on the mounting frame.
When the fry fishing device is used, the fry fishing device is inserted into the seedling raising pool by holding the lifting rod. After the fry fishing device is immersed in the nursery pond, the fry fishing device is lifted upwards through the lifting rod, the water flow drives the driving blade to rotate, so that the rotating shaft is driven to rotate, the fry is fished into the fishing cavity from the fishing opening and then is carried into the fish pocket, the big fish is blocked outside the fishing opening, the fry fishing device is lifted to the water surface, the fry fishing device is lifted upwards by the crane and is transferred to the upper part of a transport vehicle or a transport ship, the lower end of the fish pocket is untied after the fry is transferred to the position, and the water flow and the fry fall into the transport vehicle or the transport ship together. Drag for the fish mouth and can supply the fry to pass through, and big fish is bulky, is kept off outside, and the fry is dragged for the in-process and is dragged for the blade and be the pivoted, rotates the in-process and directly outwards dials away big fish, and the fry brings into the fish pocket along with rivers together in, and the probability of fry collision reduces. The fry fishing device is not easy to damage fries in the fry fishing process.
Example 2: a fry fishing device (see attached figures 2 to 5) is similar to embodiment 1 in structure, and mainly has the difference that a rotating shaft is sleeved with a driving ring 14, the driving ring is rotatably arranged on a connecting ring, the inner wall of the driving ring is hinged with a plurality of pushing pawls 15 which are uniformly distributed, abutting springs 16 are connected between the pushing pawls and the driving ring, a convex ring 17 is arranged on the rotating shaft and at a position corresponding to the driving ring, a circle of ratchet grooves 18 are arranged on the outer wall of the convex ring, and the pushing pawls can be inserted into the ratchet grooves and push the convex ring to rotate; the rotatable pressure lever 19 and the ratchet wheel 20 are installed on the lifting rod, the upper end of the pressure lever is hinged to the lifting rod, an arc-shaped strip 21 is arranged at the lower end of the pressure lever, the arc-shaped strip and the pressure lever are connected together to form a 7-shaped structure, a plurality of driving pawls 22 arranged at intervals are installed on the arc-shaped strip, a circle of ratchet groove 23 is formed in the outer wall of the ratchet wheel, the driving pawls can be inserted into the ratchet groove and push the ratchet wheel to rotate, a return spring 24 is connected between the driving pawls and the arc-shaped strip, a return spring 25 is connected between the pressure lever and the lifting rod, and transmission is achieved between the ratchet wheel and the driving ring. The ratchet wheel is coaxially provided with a belt wheel, and a driving belt is connected between the driving ring and the belt wheel. A limiting lug 26 is arranged on the pushing pawl close to the position hinged with the driving ring, a limiting column 27 is arranged on the driving ring, and the limiting lug abuts against the limiting column; the driving pawl is provided with a butt convex block 28 close to the hinging position with the arc strip, the arc strip is provided with a butt column 29, and the butt convex block is in butt joint with the butt column. The connecting lug is provided with a positioning sleeve, and the driving ring is rotatably arranged in the positioning sleeve. The other structure is the same as embodiment 1.
A fry fishing method by using a fry fishing device comprises the following steps: a. the fry fishing device is inserted into the fry raising pool by holding the lifting rod by hand, the pawl is pushed to be clamped in the ratchet groove, the pawl is driven to be clamped in the ratchet groove, and the rotating shaft cannot rotate; b. after the fry fishing device is immersed in the seedling raising pond, the pressure rod is continuously pressed, the driving pawl on the arc-shaped strip at the lower end of the pressure rod continuously pushes the ratchet wheel to rotate, so that the driving ring is driven to rotate through belt transmission, the pushing pawl in the driving ring pushes the convex ring to rotate, so that the rotating shaft is driven to rotate, at the moment, the fry enters the fish fishing cavity from the fish fishing port, and the fry is brought into the fish pocket from the fish fishing cavity along with the rotation of the fishing blade; c. the fry fishing device is lifted upwards through the lifting rod, at the moment, the water flow drives the driving blade to rotate, so that the rotating shaft is driven to rotate, and the fry is continuously fished into the fishing cavity from the fishing port and then is carried into the fish pocket; d. after the fry fishing device rises to the water surface, the fry fishing device is lifted upwards by a crane and transferred to the upper part of a transport vehicle or a transport ship, after the fry fishing device is transferred to the upper part, the lower end of a fish pocket is untied, and water flow and the fry fall into the transport vehicle or the transport ship together. In the step c, the lifting rod continuously presses the pressing rod while rising, so that the rotating speed of the rotating shaft is accelerated.
The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.
Claims (10)
1. A fry fishing device is characterized by comprising a connecting ring, a net ring and a fish pocket which are sequentially connected, wherein the connecting ring is connected with a lifting rod and a fishing mechanism; the drive shaft is rotatably arranged outside the connecting ring, a drive blade driven by water flow to rotate is arranged on the drive shaft, and the drive shaft is in transmission connection with the rotating shaft.
2. The fry fishing device of claim 1, wherein the rotating shaft is arranged transversely, the driving shaft is arranged vertically, the driving shaft is provided with a driving bevel gear, the rotating shaft is provided with a driven bevel gear, and the driving bevel gear is in meshing transmission with the driven bevel gear.
3. The fry fishing device of claim 2, wherein a driving shaft is disposed at the connecting position of the two ends of the rotating shaft and the connecting ring, driven bevel gears are mounted at the two ends of the rotating shaft, the driving bevel gears at the upper ends of the two driving shafts are respectively meshed with the driven bevel gears at the two ends of the rotating shaft for transmission, and the lower ends of the two driving shafts are connected with the driving blades.
4. The fry scooping device of claim 1, wherein the fry pocket is made of waterproof cloth and the lower end of the fry pocket is fastened by a pull rope.
5. The fry fishing device of claim 1, wherein the outer ends of the fishing blades are connected with flexible strips.
6. The fry fishing device of claim 1, wherein a plurality of lifting hooks are uniformly arranged at the upper end of the connecting ring.
7. The fry fishing device of any one of claims 1 to 6, wherein the rotating shaft is sleeved with a driving ring, the driving ring is rotatably mounted on the connecting ring, the inner wall of the driving ring is hinged with a plurality of pushing pawls which are uniformly distributed, abutting springs are connected between the pushing pawls and the driving ring, a convex ring is arranged on the rotating shaft and at a position corresponding to the driving ring, a circle of ratchet grooves are arranged on the outer wall of the convex ring, and the pushing pawls can be inserted into the ratchet grooves and push the convex ring to rotate; the rotary pressure rod and the ratchet wheel are mounted on the lifting rod, the upper end of the pressure rod is hinged to the lifting rod, an arc-shaped strip is arranged at the lower end of the pressure rod, a plurality of driving pawls arranged at intervals are mounted on the arc-shaped strip, a circle of ratchet groove is formed in the outer wall of the ratchet wheel, the driving pawls can be inserted into the ratchet groove and push the ratchet wheel to rotate, a return spring is connected between the driving pawls and the arc-shaped strip, a return spring is connected between the pressure rod and the lifting rod, and the ratchet wheel and the driving ring are in belt transmission.
8. The fry fishing device of claim 7, wherein the pushing pawl is provided with a limit lug near the hinged position with the driving ring, the driving ring is provided with a limit column, and the limit lug abuts against the limit column; the driving pawl is provided with a butt convex block close to the hinged position of the arc strip, the arc strip is provided with a butt column, and the butt convex block is in butt connection with the butt column.
9. A fry scooping method using the fry scooping apparatus of claim 7, characterized by comprising the steps of: a. the fry fishing device is inserted into the fry raising pool by holding the lifting rod by hand, the pawl is pushed to be clamped in the ratchet groove, the pawl is driven to be clamped in the ratchet groove, and the rotating shaft cannot rotate; b. after the fry fishing device is immersed in the seedling raising pond, the pressure rod is continuously pressed, the driving pawl on the arc-shaped strip at the lower end of the pressure rod continuously pushes the ratchet wheel to rotate, so that the driving ring is driven to rotate through belt transmission, the pushing pawl in the driving ring pushes the convex ring to rotate, so that the rotating shaft is driven to rotate, at the moment, the fry enters the fish fishing cavity from the fish fishing port, and the fry is brought into the fish pocket from the fish fishing cavity along with the rotation of the fishing blade; c. the fry fishing device is lifted upwards through the lifting rod, at the moment, the water flow drives the driving blade to rotate, so that the rotating shaft is driven to rotate, and the fry is continuously fished into the fishing cavity from the fishing port and then is carried into the fish pocket; d. after the fry fishing device rises to the water surface, the fry fishing device is lifted upwards by a crane and transferred to the upper part of a transport vehicle or a transport ship, after the fry fishing device is transferred to the upper part, the lower end of a fish pocket is untied, and water flow and the fry fall into the transport vehicle or the transport ship together.
10. The fry scooping method of the fry scooping apparatus according to claim 9, wherein in the step c, the lifting rod continuously presses the pressing rod while rising, thereby increasing the rotation speed of the rotating shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010223788.8A CN111449029B (en) | 2020-03-26 | 2020-03-26 | Fry fishing device and fry fishing method |
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| CN202010223788.8A CN111449029B (en) | 2020-03-26 | 2020-03-26 | Fry fishing device and fry fishing method |
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| CN111449029B true CN111449029B (en) | 2021-11-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112655666B (en) * | 2020-12-18 | 2022-09-13 | 上海海洋大学 | A middle and upper layer trawl device |
| CN114855852A (en) * | 2022-06-09 | 2022-08-05 | 海南鑫建建筑工程有限公司 | Water conservancy water and electricity drainage device for construction |
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| CN111449029A (en) | 2020-07-28 |
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