CN207720955U - A kind of tunnel type hatching case humidification system - Google Patents
A kind of tunnel type hatching case humidification system Download PDFInfo
- Publication number
- CN207720955U CN207720955U CN201721560473.2U CN201721560473U CN207720955U CN 207720955 U CN207720955 U CN 207720955U CN 201721560473 U CN201721560473 U CN 201721560473U CN 207720955 U CN207720955 U CN 207720955U
- Authority
- CN
- China
- Prior art keywords
- tunnel type
- type hatching
- humidification system
- case
- hatching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000012447 hatching Effects 0.000 title claims abstract description 101
- 238000001816 cooling Methods 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 30
- 235000013601 eggs Nutrition 0.000 description 14
- 239000003595 mist Substances 0.000 description 13
- 210000001161 mammalian embryo Anatomy 0.000 description 8
- 241000287828 Gallus gallus Species 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000001035 drying Methods 0.000 description 4
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 210000002257 embryonic structure Anatomy 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 206010011906 Death Diseases 0.000 description 1
- 208000009701 Embryo Loss Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000000427 antigen Substances 0.000 description 1
- 102000036639 antigens Human genes 0.000 description 1
- 108091007433 antigens Proteins 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000013020 embryo development Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008774 maternal effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- UYKQQBUWKSHMIM-UHFFFAOYSA-N silver tungsten Chemical compound [Ag][W][W] UYKQQBUWKSHMIM-UHFFFAOYSA-N 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Landscapes
- Air Humidification (AREA)
Abstract
A kind of tunnel type hatching case humidification system provided by the utility model, including:Ultrasonic humidifier in tunnel type hatching bottom portion is set, and the cooling coil being arranged in tunnel type hatching box inner wall.The tunnel type hatching case humidification system that the utility model embodiment provides, improves the ponding problem on the top plate and sunlight board of tunnel type hatching case;Meanwhile it also avoiding the case where forming condensed water on cooling coil, reducing the situation that egg is burst caused by water droplet is low, improving the utilization rate of hatching egg.
Description
Technical field
The utility model is related to hatching technique fields, more particularly, to a kind of tunnel type hatching case humidification system.
Background technology
Incubator refers to the conditions such as manual simulation's oviparous animal maternal instinct progress humiture egg-turning will be fertilized by certain time
Egg develops into the cabinet of life, and main application is in hatching of breeding eggs, embryonic development, farm, hatchery, hatching factory, chicken farm man
Fowl hatching etc..
Existing incubator includes:Humidifier, supporting rack, babinet, heating plate, connecting tube, regulating valve, motor, fan.
Support frame as described above is mounted in babinet, and the humidifier is mounted on supporting rack, and the heating plate is uniformly mounted on supporting rack
On, the connecting tube is connected with weep pipe, and the regulating valve is mounted in connecting tube, and the motor is mounted on the outer wall of babinet
On, the fan is mounted on the axis of motor.
During incubator humidifies, humidifier generally uses high pressure water to pass through nozzle spraying humidification.Use process
In, the particle that nozzle sprays water mist is larger, is easy to be ejected on top plate and heating plate, is easy to form water in top plate and heating plate
Drop, ultimately causes ponding in heating plate, and ponding is dripped to from heating plate seam crossing in the chicken embryo in incubator, and egg is caused to burst,
And then lead to chicken embryo death, cause Embryo mortality high, egg utilization reduces;And excess surface water is wet and slippery both there is security risk
It is easy mould growth again.
In addition, hatching the temperature inside the box is at 37 DEG C or so, 80% or so, the chicken embryo in especially rear incubator is all humidity
After ten ages in days, a large amount of heat production need heat sink i.e. temperature-reducing coil, temperature-reducing coil to ensure normal temperature in case
In hot and humid environment, condensed water is also easy tod produce, condensed water can also drop onto in sunlight board, finally can also drop onto in case
In chicken embryo.
Utility model content
For above-mentioned problem, the utility model provides a kind of tunnel type hatching case humidification system.
In a first aspect, the utility model provides a kind of tunnel type hatching case humidification system, including:It is arranged in tunnel type hatching
The ultrasonic humidifier in bottom portion, and the cooling coil that is arranged in tunnel type hatching box inner wall.
Wherein, the tunnel type hatching case humidification system further includes:Water receiving in the cooling coil bottom is set
Disk.
Wherein, the bottom of the drip tray is equipped with opening, and drainpipe passes through the opening to be communicated with the drip tray.
Wherein, the tunnel type hatching case humidification system further includes:Fog outlet in the ultrasonic humidifier is set
Fog exhaust pipe.
Wherein, the height of the fog exhaust pipe exceeds the height of the cooling coil.
Wherein, the tunnel type hatching case humidification system further includes:It is arranged in sunlight board and the tunnel type hatching case
Multiple wind turbines between top;Wherein, the sunlight board is horizontally installed on the tunnel type hatching box top.
Wherein, the multiple wind turbine is arranged in one end close to the cooling coil in the sunlight board in column.
Wherein, the tunnel type hatching that the ultrasonic humidifier is arranged between the cooling coil and the wind turbine
The region in bottom portion.
Wherein, the tunnel type hatching case humidification system further includes:It is connected with the output end of the ultrasonic humidifier
A.C. contactor;The A.C. contactor is attracted or is disconnected according to the humidity that humidity controller detects;Wherein, described
Humidity controller is wet to be carried in the humidity controller being arranged in the tunnel type hatching case or the ultrasonic humidifier
Spend controller.
Wherein, the material of the fog exhaust pipe is PVC.
A kind of tunnel type hatching case humidification system provided by the utility model is super by being arranged in tunnel type hatching bottom portion
Sound wave humidifier, and cooling coil is arranged on tunnel type hatching case side wall;Improve tunnel type hatching case top plate and
Ponding problem in sunlight board;Meanwhile it also avoiding the case where forming condensed water on cooling coil, reducing because water droplet is low
The situation that egg is burst is caused, the utilization rate of hatching egg is improved.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 is the front view for the tunnel type hatching case humidification system that the utility model embodiment provides;
Fig. 2 is the left view of tunnel type hatching case humidification system shown in FIG. 1;
Wherein, 1- wind turbines;2- sunlight boards;3- cooling coils;4- fog exhaust pipes;5- drip trays;6- ultrasonic humidifiers.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, is explicitly described the technical scheme in the embodiment of the utility model, it is clear that described reality
It is the utility model a part of the embodiment to apply example, instead of all the embodiments.Based on the embodiments of the present invention, ability
It is new to belong to this practicality for the every other embodiment that domain those of ordinary skill is obtained without making creative work
The range of type protection.
Fig. 1 is the front view for the tunnel type hatching case humidification system that the utility model embodiment provides, as shown in Figure 1, should
Tunnel type hatching case humidification system includes:Ultrasonic humidifier 6 in tunnel type hatching bottom portion is set, and setting is incubated in laneway type
Change the cooling coil 3 on case side wall.
Wherein, Ultrasonic wave industrial humidifier has humidification efficiency height, humidification intensity big, small uniform, the saving water source of droplet,
The energy consumption index of unit humidification amount is low, small, humidification uniformly, long lifespan and it is easy-maintaining the advantages that.
Specifically, combined with Figure 1 and Figure 2, by the way that ultrasonic humidifier 6 is arranged in the bottom of tunnel type hatching case so that warp
The water mist that ultrasonic humidifier 6 is discharged will not be ejected on the top plate and sunlight board 2 of tunnel type hatching device.And by cooling coil 3
It is moved to from sunlight board 2 on the side wall of tunnel type hatching case so that the water mist being discharged through ultrasonic humidifier 6 will not be in cooler pan
Water droplet is formed on pipe 3;Meanwhile also reducing the influence of the condensation effect to cooling coil 3.Improving adding for tunnel type hatching case
On the basis of the humidification efficiency of wet system, the case where making egg utilization reduce because of humidification is also reduced, single embryo is improved and receives
The amount of obtaining.
It, and will be cold by the way that ultrasonic humidifier is arranged in tunnel type hatching bottom portion in the utility model embodiment
But coil pipe is arranged on tunnel type hatching case side wall;Improve the ponding problem on the top plate and sunlight board of tunnel type hatching case;
Meanwhile also avoiding the case where forming condensed water on cooling coil, reducing the situation that egg is burst caused by water droplet is low,
Improve the utilization rate of hatching egg.
On the basis of the above embodiments, the tunnel type hatching case humidification system further includes:It is arranged in the cooling
The drip tray 5 of 3 bottom of coil pipe.
Specifically, by 3 bottom of cooling coil be arranged drip tray 5, then when cooling coil 3 due to cooling down in its table
When face generates water droplet, drop collection low on cooling coil 3 can be got up by drip tray 5, without making water droplet be dropped in
Ground ensure that the drying on tunnel type hatching case ground, avoids the situation that ground grows bacterium because of moistening, further makes lane
For the temperature of road formula incubator in the preference temperature of holding, the ground of tunnel type hatching case is also maintained at drying regime, Jin Erti
The success rate of high hatching of breeding eggs.
In the utility model embodiment, by the way that drip tray is arranged in the bottom of cooling coil so that cooling coil shape
At water droplet will not drop to ground, while ensureing tunnel type hatching case proper temperature, also ensure tunnel type hatching case
Ground keep drying, the safety accidents such as will not grow bacterium due to ground is wet and slippery or slip.
On the basis of the various embodiments described above, the bottom of the drip tray 5 is equipped with opening, and drainpipe passes through the opening
It is communicated with the drip tray 5.
Specifically, opening is set in the bottom of drip tray 5, and drainpipe is communicated across the opening with drip tray 5 so that connect
The condensed water that the cooling coil 3 collected in water pond 5 drips, can be discharged by the drainpipe, avoid condensed water in drip tray 5
Situation that is excessive and overflowing improves the utilization of drip tray 5 to be further ensured that the drying on ground in tunnel type hatching case
Rate.
On the basis of the various embodiments described above, the tunnel type hatching case humidification system further includes:Setting is described super
The fog exhaust pipe 4 of the fog outlet of sound wave humidifier 6.
Specifically, fog exhaust pipe 4 is set in the fog outlet of ultrasonic humidifier 6 so that the fog outlet through ultrasonic humidifier 6
The water mist of discharge is expelled to by fog exhaust pipe 4 in tunnel type hatching case so that water mist from top to bottom in tunnel type hatching case
It spreads apart and, so that the humidity in tunnel type hatching case can obtain more uniform control, to ensure tunnel type hatching
Humidity in case is uniform;Meanwhile fog exhaust pipe is arranged by the fog outlet in ultrasonic humidifier 6, reduce water mist and cooler pan
The contact of pipe 3, and then reduce influence of the water mist to 3 cooling effect of cooling coil;And it decreases cooling coil 3 and humidification is imitated
The influence of fruit.
In the utility model embodiment, fog exhaust pipe is arranged by the fog outlet in ultrasonic humidifier, improves humidification effect
While fruit, influence of the humidification to the cooling effect of cooling coil is also reduced.
On the basis of the various embodiments described above, the height of the fog exhaust pipe 4 exceeds the height of the cooling coil 3.It is described
The material of fog exhaust pipe 4 is PVC.
Specifically, the height beyond cooling coil 3 height of fog exhaust pipe 4 being arranged so that ultrasonic humidifier 6 is through row
The water mist that mist pipe 4 is discharged, will not contact, and then the influence by water mist to cooling coil 3 is down to most with the outer wall of cooling coil 3
It is low, improve the cooling effect of cooling coil 3.And the material of fog exhaust pipe 4 is set as PVC, that is, use pvc pipe as row
Mist pipe 4 so that the lighter weight of fog exhaust pipe 4 is more convenient and quick when mounted.
On the basis of the various embodiments described above, the tunnel type hatching case humidification system further includes:It is arranged in sunlight board
Multiple wind turbines 1 between 2 and the tunnel type hatching box top;Wherein, the sunlight board 3 is horizontally installed on the laneway type and incubates
Change box top.The multiple wind turbine 1 is arranged in the sunlight board 2 in column close to one end of the cooling coil 3.
Specifically, multiple wind turbines 1 are arranged in the region between sunlight board 2 and tunnel type hatching box top, then can pass through
The wind turbine 1 increases the air flow property in tunnel type hatching case, and then improves the air quality in tunnel type hatching case.And
By multiple wind turbines in column be arranged in sunlight board 2 close to one end of cooling coil 3, so that through cooling coil 3 cool down sky
Gas is dispersed to each position of tunnel type hatching case by the effect of wind turbine 1, and then realizes that air is protected in tunnel type hatching case
It holds in preference temperature.
And wind turbine arow is arranged in sunlight board 2 close to one end of cooling coil 3 so that the cloth of wind turbine 1 in column
It sets near cooling coil 3, and then cooling coil 3 can be condensed the cold air generated, the more uniform laneway type that is diffused in is incubated
Change in case, further ensures the consistency of tunnel type hatching the temperature inside the box, advantage is provided for the hatching of hatching egg.
On the basis of the various embodiments described above, the ultrasonic humidifier 6 is arranged in the cooling coil 3 and the wind turbine
The region in the tunnel type hatching bottom portion between 1.
Specifically, ultrasonic humidifier 6 is arranged to the region between cooling coil 3 and wind turbine 1, that is, by cooling coil 3
It is arranged in tunnel type hatching case on the madial wall of ultrasonic humidifier 6 so that cooling coil 3 and ultrasonic humidifier 6 are equal
It is arranged at 1 end of wind turbine, and then wind turbine 1 can be utilized to generate the cold air and ultrasonic humidifier 6 that the condensation of cooling coil 3 obtains
Water mist, diffuse in entire tunnel type hatching case, so that the temperature and humidity in tunnel type hatching case is equably kept
In optimum range, advantageous condition is provided for hatching of breeding eggs, and then improve effective hatching rate of hatching egg.
In the utility model embodiment, the cold air and ultrasonic humidifying that are condensed cooling coil by wind turbine
The water mist that device generates, can diffuse in entire tunnel type hatching case, ensure that tunnel type hatching the temperature inside the box and humidity are protected
Hold the hatching success that hatching egg is improved in optimum range.
On the basis of the various embodiments described above, the tunnel type hatching case humidification system further includes:With the ultrasonic wave
The connected A.C. contactor of the output end of humidifier 6;The A.C. contactor is inhaled according to the humidity that humidity controller detects
It closes or disconnects;Wherein, the humidity controller is the humidity controller of setting or described super in the tunnel type hatching case
The humidity controller carried in sound wave humidifier.
Wherein, A.C. contactor be widely used as electric power cut-off and control circuit.It is opened and closed circuit using main contact, uses
Auxiliary contact executes control instruction.Main contact generally only have normal opened contact, and auxiliary contact often have two pairs have it is normally opened and normal
The contact of function is closed, small-sized contactor frequently as intermediate relay cooperation main circuit also through using.The contact of A.C. contactor,
It is made of silver tungsten, has good electric conductivity and high temperature resistant ablative.
Specifically, A.C. contactor is connected in the output end of ultrasonic humidifier 6, and A.C. contactor is according to humid control
The humidity of device detection is opened or is disconnected, that is, when the humidity of humidity controller detection is less than the humidity needed for tunnel type hatching case
When range, then ultrasonic humidifier 6 is needed to be humidified at this time, at this time A.C. contactor automatic pick;Otherwise, work as humid control
When the humidity of device detection is not less than the humidity range needed for tunnel type hatching case, then ultrasonic humidifier is not needed at this time and is added
Wet, A.C. contactor disconnects at this time.The power supply of ultrasonic humidifier 6 is connected on the external power supply of A.C. contactor, and exchange connects
Tentaculum is connected, then ultrasonic humidifier 6 works;A.C. contactor disconnects, then ultrasonic humidifier 6 is stopped.
In the utility model embodiment, A.C. contactor is connected by the output end in ultrasonic humidifier so that whole
A humidification system is more intelligent.
The tunnel type hatching case that the various embodiments described above provide so that in rear hatching tunnel type hatching case, no ponding, sunlight board
Upper holding is dry and occurs without dripping phenomenon.Using ultrasonic humidifier (for example, integral type ultrasonic humidifier), shorten
Humidification periods are short, improve humidification speed, and reduce Embryo mortality, improve chicken embryo utilization rate;Meanwhile avoiding tunnel
In formula incubator, situation is scrapped because of mould contamination.And the humidification speed stablized in tunnel type hatching case, improve single embryo
Harvest yield.In the past, single embryonal antigen harvest yield 10-11ML/ embryos, have been increased to 12ML/ embryos or more now.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model, rather than its limitations;
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that:
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement;And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. a kind of tunnel type hatching case humidification system, which is characterized in that including:
Ultrasonic humidifier in tunnel type hatching bottom portion is set, and the cooling being arranged in tunnel type hatching box inner wall
Coil pipe.
2. tunnel type hatching case humidification system according to claim 1, which is characterized in that further include:It is arranged described cold
But the drip tray of coil pipe bottom.
3. tunnel type hatching case humidification system according to claim 2, which is characterized in that the bottom of the drip tray is equipped with
Opening, and drainpipe passes through the opening to be communicated with the drip tray.
4. tunnel type hatching case humidification system according to claim 1, which is characterized in that further include:Setting is described super
The fog exhaust pipe of the fog outlet of sound wave humidifier.
5. tunnel type hatching case humidification system according to claim 4, which is characterized in that the height of the fog exhaust pipe exceeds
The height of the cooling coil.
6. tunnel type hatching case humidification system according to claim 1, which is characterized in that further include:It is arranged in sunlight board
With multiple wind turbines between the tunnel type hatching box top;
Wherein, the sunlight board is horizontally installed on the tunnel type hatching box top.
7. tunnel type hatching case humidification system according to claim 6, which is characterized in that the multiple wind turbine is arranged in column
Close to one end of the cooling coil in the sunlight board.
8. tunnel type hatching case humidification system according to claim 7, which is characterized in that the ultrasonic humidifier setting
The region in the tunnel type hatching bottom portion between the cooling coil and the wind turbine.
9. according to claim 1-8 any one of them tunnel type hatching case humidification systems, which is characterized in that further include:With institute
State the connected A.C. contactor of the output end of ultrasonic humidifier;The humidity that the A.C. contactor is detected according to humidity controller
It is attracted or is disconnected;
Wherein, the humidity controller is that the humidity controller being arranged in the tunnel type hatching case or the ultrasonic wave add
The humidity controller carried in wet device.
10. tunnel type hatching case humidification system according to claim 4, which is characterized in that the material of the fog exhaust pipe is
PVC。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721560473.2U CN207720955U (en) | 2017-11-20 | 2017-11-20 | A kind of tunnel type hatching case humidification system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721560473.2U CN207720955U (en) | 2017-11-20 | 2017-11-20 | A kind of tunnel type hatching case humidification system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207720955U true CN207720955U (en) | 2018-08-14 |
Family
ID=63087807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721560473.2U Active CN207720955U (en) | 2017-11-20 | 2017-11-20 | A kind of tunnel type hatching case humidification system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207720955U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116223349A (en) * | 2022-12-07 | 2023-06-06 | 北京科技大学 | Aging box for monochromatic light irradiation test |
-
2017
- 2017-11-20 CN CN201721560473.2U patent/CN207720955U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116223349A (en) * | 2022-12-07 | 2023-06-06 | 北京科技大学 | Aging box for monochromatic light irradiation test |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205511543U (en) | Meat chicken house of convenient reducing temperature of heatstroke prevention | |
CN208402868U (en) | A kind of cooling device of chicken raising | |
CN203646247U (en) | Farming facility capable of automatic temperature and moisture control | |
CN206365301U (en) | A kind of intelligent Greenhouse | |
CN109699352A (en) | Integrated environment regulator control system and regulation method are provided to crop canopies space | |
CN202907625U (en) | Incubation device | |
CN209594471U (en) | A kind of dendrobium candidum cultivation device | |
CN205897383U (en) | Greenhouse air dewetting economizer | |
CN201766905U (en) | Energy regulating and circulating system of greenhouse | |
CN207720955U (en) | A kind of tunnel type hatching case humidification system | |
CN209047187U (en) | A kind of pig raising pig house radiating and cooling device | |
CN208724513U (en) | Plant factory temperature and humidity adjustment system | |
CN208175764U (en) | A kind of chick incubation equipment | |
CN207692700U (en) | Henhouse with heat sinking function | |
CN104430031A (en) | Water curtain cooling method for chicken house | |
KR20100048682A (en) | Cooling-heating apparatus | |
CN111436307A (en) | Agricultural greenhouse suitable for cold weather | |
CN209546458U (en) | Greenhouse automatic temperature controlling equipment | |
CN107873568A (en) | A kind of tunnel type hatching case humidification system | |
CN207151325U (en) | Tealeaves cuttage and seedling culture facility | |
CN209676969U (en) | A comprehensive environmental control system for crop canopy space | |
CN210043023U (en) | Intelligent young silkworm rearing room system | |
CN205878790U (en) | Biological desicator of closed | |
CN108376009A (en) | A kind of plant cultivation device controlling humiture based on Zigbee protocol | |
CN107926844A (en) | A kind of maple leaf tortoise summer rearing method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |