CN101053298A - Garlic and peanut digging machine - Google Patents
Garlic and peanut digging machine Download PDFInfo
- Publication number
- CN101053298A CN101053298A CN 200710110625 CN200710110625A CN101053298A CN 101053298 A CN101053298 A CN 101053298A CN 200710110625 CN200710110625 CN 200710110625 CN 200710110625 A CN200710110625 A CN 200710110625A CN 101053298 A CN101053298 A CN 101053298A
- Authority
- CN
- China
- Prior art keywords
- garlic
- screen cloth
- wheel
- peanut
- crawler belt
- 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.)
- Granted
Links
- 240000002234 Allium sativum Species 0.000 title claims abstract description 29
- 235000004611 garlic Nutrition 0.000 title claims abstract description 29
- 235000017060 Arachis glabrata Nutrition 0.000 title claims abstract description 28
- 244000105624 Arachis hypogaea Species 0.000 title claims abstract description 28
- 235000010777 Arachis hypogaea Nutrition 0.000 title claims abstract description 28
- 235000018262 Arachis monticola Nutrition 0.000 title claims abstract description 28
- 235000020232 peanut Nutrition 0.000 title claims abstract description 28
- 238000012216 screening Methods 0.000 claims abstract description 5
- 239000004744 fabric Substances 0.000 claims description 54
- 208000028804 PERCHING syndrome Diseases 0.000 claims description 10
- 238000009412 basement excavation Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000010902 straw Substances 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000014571 nuts Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Landscapes
- Harvesting Machines For Root Crops (AREA)
Abstract
A garlic or peanut digging machine comprises track type dragging main body walking portion, digging portion, screening and transmitting portion, reel, depth-limiting portion, hydraulic lifting controlling portion, machine stand folding portion and cab controlling portion. The present invention of garlic or peanut digging machine resolves the problem of the demanding operating environment for digging machine, and resolves previous the difficulty for digging turning and digging depth-limiting, crop-damaging, single use of machine, lower environmental adaptability at the same time.
Description
Technical field:
The present invention relates to agricultural harvesting machine, particularly preposition, on carry self-propelled garlic, peanut digger.
Background technology:
Because garlic, peanut is of many uses, at present, the garlic of China, peanut cultivation area have reached 9,550,000 mu.Yet the results of these two kinds of crops are excavated, and mainly still rely on one one ground of manpower to excavate, and labour intensity is big, and inefficiency can only excavate about 0.4 mu for each person every day.The existing agricultural machinery that is used for garlic, peanut excavation has three kinds of versions:
First kind is rear-mounted excavator, and this form is damaged garlic or peanut easily owing to drag main frame in the garlic or the walking above the peanut of not excavating.Simultaneously, it is long-pending little to drag main frame wheel and soil contact, and the humidity of soil is very big to the operation influence of equipment, has caused rear-mounted excavator to adapt to the digging operation ability.
Second kind is the excavator that uses with walking tractor matching, this kind version also is in the garlic of not excavating or walks above the peanut crops, and it can only play in soil peanut or the loose effect of garlic, finally must rely on artificial many ground to extract, and be the single file digging operation, inefficiency.
The third is the foward-push of four-wheel-type tractor, and the main filling that lacks of this structure is, excavate part and drag main frame form before and after two bodies, under the digging operation state, handling maneuver difficulty, excavating depth are difficult to control, the operation task performance is unreliable.
Because all there is certain operation shortcoming in the excavator of above-mentioned three kinds of versions, the excavator of said structure form can not get user's approval, causes this type of excavator extensively effectively not promote the use of in agricultural production, does not form Development and Production in batches.
Summary of the invention:
For overcome existing garlic, the existing excavating equipment of peanut digger to soil working environmental requirement harshness, operating efficiency is low and a kind of excavator can only excavate shortcomings such as a kind of crops, purposes are single,
The technical solution adopted for the present invention to solve the technical problems is:
Garlic of the present invention, peanut digger comprise the track type dragging main running gear, excavate part, screen transport portion, dialing-grain unit, limit deep branch, hydraulic pressure lift control section, frame furlling part and driver's cabin actuating element.
The excavation of garlic of the present invention, peanut digger partly is positioned at the running gear front, and the screen cloth conveyer belt is positioned at and drags the main frame top, and the driver's cabin actuating element is positioned at screen cloth conveyer belt top.
Advantage of the present invention is, the driver's cabin actuating element be arranged on the screen cloth conveyer belt above, make the excavator structure compactness, the operation sight line is convenient to Job Operations well.The implement structure compactness, the facility center of gravity is low, and walking stability is good, the transmission efficiency height.The contact area that track-type drags main frame and soil is bigger than the wheeled contact area that drags main frame and soil, has increased the adhesive force with soil greatly, has solved the problem of excavator to the requirement harshness of operating environment.And, adopt preposition perching knife excavation and limit dark, on drag main frame, carry and separate soil and crops, the final the present invention of formation is with the preposition device structure form of carrying self-propelled garlic, peanut digger that goes up, and effectively solved and excavated problems such as turning to and excavate the dark operating difficulties of limit, damage crops, equipment purposes are single, adaptive capacity to environment difference in the past.
Description of drawings
Fig. 1 is the preposition structural representation of carrying self-propelled garlic, peanut digger of going up of the present invention.
Fig. 2 is the profile construction schematic diagram of dialing-grain unit.
Fig. 3 is the partial structurtes schematic diagram of screen cloth delivery tension device.
Fig. 4 is that the A of Fig. 1 is to the partial structurtes schematic diagram.
Embodiment
Describe garlic of the present invention, peanut digger preferred implementation and operation principle in detail below in conjunction with accompanying drawing.
Referring to accompanying drawing, running gear mainly comprises clutch 22, universal drive shaft 20, gearbox 19, crawler belt 50, crawler belt left and right sides driving shaft 17, crawler belt left and right sidesing driving wheel 16, track guiding wheel 23 and crawler belt support wheel 3.Crawler belt 50, crawler belt left and right sidesing driving wheel 16, track guiding wheel 23 is connected by frame 2 with crawler belt support wheel 3, the left and right sides tape loop that common composition can be walked.
Gearbox 19 and the splicing sleeve handing-over of frame 2 by frame 2, the other end of gearbox 19 is connected with frame 2 by connecting bolt.
Engine 1 adopts is that what to adopt is the standard universal engine, therefore, engine itself is no longer described in detail.Engine 1 is connected with frame 2 by connecting bolt, and the crankshaft center line of engine 1 is parallel with the direction of advance of facility.
Engine 1 passes through clutch 22 with gearbox 19, and universal drive shaft 20 connects, and makes the power of engine 1 output pass through clutch 22, universal drive shaft 20 input gearboxes 19.The outputting power of gearbox 19 comprises two aspects: one, by crawler belt left and right sides driving shaft 17, crawler belt left and right sidesing driving wheel 16 flows to crawler belt 50, makes the facility walking.Its two, screen cloth output shaft 18 outputting powers, by driving chain 40, screen cloth transportation sprocket 5, screen cloth are carried transition sprocket wheel 6, drive eccentric wheel 7 up-down vibration screen cloth conveyer belts 4 and promote that crops separate with soil.
The excavation part mainly comprises excavates perching knife 36, excavates perching knife fixed head 40, excavates bracing frame 12 and suitable straw 49.The hinged cover and the jointed shaft on the frame 2 that excavate bracing frame 12 rear ends are hinged, make and excavate partly and can swing up and down around jointed shaft, there is jointed shaft the left and right sides, back middle part of excavating bracing frame 12, hinged with hydraulic jack 42, the hinged cover and the frame jointed shaft of hydraulic jack 42 upper ends are hinged, when hydraulic jack 42 oscilaltions, drive the excavation part and swing up and down around the jointed shaft of frame 2.
The screening transport portion mainly comprises screen cloth roller chain 40, screen cloth cross bar 39, and screen cloth is carried tooth 38, screen cloth output shaft 18, tensioning support 45, screen cloth holder sprocket wheel 46, screen cloth conveyer belt regulating wheel 47, jointed shaft 44 and slider roller 41.Screen cloth roller chain 40 and screen cloth cross bar 39 are connected to form screen cloth by bolt, screen cloth is by screen cloth transportation sprocket 5 (can before and after slide), screen cloth holder sprocket wheel 46, screen cloth conveyer belt regulating wheel 47, carry screen cloth driven shaft 26, the screen cloth conveyer belt that formation can shuttling movement.The band strainer is to utilize tensioning tripod 45 and excavate bracing frame 12 interaction tensioning screen cloth conveyer belts.Tensioning tripod 45 1 ends and frame 2 are hinged, are slided on the slide rail guide plate 43 that excavates on the bracing frame 12 by slider roller 41 in the lower end, and preceding upper end has two screen cloth conveyer belt regulating wheels 47.When excavating bracing frame 12 under the effect of hydraulic cylinder 42 during lifting, tensioning tripod 45 lower slider rollers 41 are along with sliding in slide rail guide plate 43 front and back of excavating on the bracing frame 12, thereby the screen cloth conveyer belt regulating wheel 47 that drives on the tensioning tripod 45 moves up and down.Thereby screen cloth conveyer belt regulating wheel 47 makes screen cloth conveyer belt complications or stretches and reaches screen cloth conveyer belt 4 tension in excacation or transportation.Screen cloth output shaft 18 is by chain wheel drive screen cloth transportation sprocket 5 and eccentric vibration sprocket wheel 7, carry crops by screen cloth conveyer belt 4 on the one hand backward, screen cloth carries transition sprocket wheel 6 to drive eccentric wheel 7 up-down vibration screen cloth conveyer belts 4 by chain on the other hand, promotes that crops separate with soil.
Dialing-grain unit 13 comprises straw shift wheel 29, gearhousing 24 and dialing-grain unit axle 28.Dialing-grain unit 13 is installed in carries screen cloth driven shaft 26 two ends, the screen cloth conveying axis 26 of screening transport portion is by bevel gear 27, dialing-grain unit axle 28 drives straw shift wheel 29 and rotates simultaneously towards screen cloth conveyer belt 4 traffic directions, dial on screen cloth conveyer belt 4 excavating the crop of shoveling in perching knife 36 and plough product bent plate 37 both sides, strengthen the reliability of digging operation greatly.
Limit deep branch comprises gauge wheel 30, gauge wheel axle 31, and gauge wheel bearing block 32, pipe 33 in gauge wheel supports supports outer tube 35 and adjusts screw mandrel 34.Adjusting screw mandrel 34 connects by supporting outer tube 35 adapter sleeves, can rotate but can not play, pipe 33 is installed in and supports in the outer tube in supporting, can be at the outer tube axis to moving, the nut of adjustment screw mandrel 34 and the interior pipe of support is connected the interior pipe of rotation adjustment screw mandrel 34 drive supports and moves up and down, rotation adjustment screw mandrel 34 is adjusted gauge wheels and is supported the position of interior pipe 33 at gauge wheel support outer tube 35, reaches the purpose of height up and down of adjusting gauge wheel 30.This limit deep separation structure is simple, easy to adjust, and adjusting range is big.
Hydraulic pressure lift part 21 comprises hydraulic pump, hydraulic oil container, hydraulic oil pipe, hydraulic jack liquid, and pressure distributor.
Rack section comprises by drawing upper plate, lower plate, side plate in and forms the gathering chamber.The driver's cabin actuating element comprises driver's cabin 9, actuating element and driver's cabin bracing frame 11.Actuating element comprises the backguy of stopping working of clutch lever 8 Throttle Opening Control, left and right sides pull bar, braking footrest 10, back steering linkage, foot-operated gear plate, high and low shift pull bar and transfer gantry shift rod.
The operation principle of excavator of the present invention is as follows:
Engine 1 is transported to gearbox 19 to power by clutch 22, universal dynamical power transmission shaft 20, gearbox 19 transmits two aspect power, left and right sides driving shaft 17 drives left and right sidesing driving wheel 16, drives crawler belt 50 again and makes the excavator walking, promotes to excavate part through excavation perching knife bracing frame 12 and advances.Digger blade excavates certain depth, and crops and soil are scooped up together, and crops that scoop up and soil are along sliding on the screen cloth conveyer belt 4 along straw 49; Gearbox by screen cloth output shaft 18 and chain drive power transmission to screen cloth transportation sprocket 5, drive screen cloth conveyer belt 4 and do back and forth movement.1., separate soil and crop screen cloth conveyer belt 4 has the effect of three aspects:; 2., conveying effect; , 3. screen cloth vibration to be to quicken separating of soil and crop.The crops of excavation perching knife 36 being excavated by screen cloth conveyer belt 4 are drawn device 51 in delivering to after soil separates, and garlic are fitly spread the back of excavator by drawing device 51 in.Excavating the crop that perching knife 36 both sides scoop up, crop is delivered to above the screen cloth conveyer belt 4 by dialing-grain unit 13.The digger blade part is subjected to the influence of face of land height in the process of advancing, when excavator digger blade part when pressing down, support the location by excavating gauge wheel 30, impel and excavate that perching knife is parallel to advance, when excavator upwards floated, digger blade part keeping parallelism under the effect of dead weight and soil downward pressure advanced.
Claims (10)
1. a garlic, peanut digger comprise the track type dragging main running gear, excavate part, screening transport portion, dialing-grain unit, limit deep branch, hydraulic pressure lift control section, frame furlling part and driver's cabin actuating element.
2. garlic as claimed in claim 1, peanut digger is characterized in that screen cloth conveyer belt (4) drags the main frame top.
3. garlic as claimed in claim 1, peanut digger is characterized in that driver's cabin (9) and actuating element are positioned at screen cloth conveyer belt (4) top.
4. garlic as claimed in claim 1, peanut digger is characterized in that excavating part and are positioned at the running gear front.
5. as garlic, the peanut digger of claim 1 or 4, it is characterized in that running gear is a track type dragging main, it comprises clutch (22), universal drive shaft (20), gearbox (19), crawler belt (50), crawler belt left and right sides driving shaft (17), crawler belt left and right sidesing driving wheel (16), track guiding wheel (23) and crawler belt support wheel (3); Crawler belt (50), crawler belt left and right sidesing driving wheel (16), track guiding wheel (23) is connected by frame (2) with crawler belt support wheel (3), the left and right sides tape loop that common composition can be walked.
6. garlic as claimed in claim 1, peanut digger, it is characterized in that screening transport portion and mainly comprise screen cloth roller chain (40), screen cloth cross bar (39), screen cloth is carried tooth (38), screen cloth output shaft (18), tensioning support (45), screen cloth holder sprocket wheel (46), screen cloth conveyer belt regulating wheel (47), jointed shaft (44) and slider roller (41).
7. garlic as claimed in claim 1, peanut digger is characterized in that dialing-grain unit (13) comprises straw shift wheel (29), gearhousing (24) and dialing-grain unit axle (28).
8. garlic as claimed in claim 1, peanut digger is characterized in that limitting the deep branch to comprise gauge wheel (30), gauge wheel axle (31), and gauge wheel bearing block (32), pipe (33) in gauge wheel supports supports outer tube (35) and adjusts screw mandrel (34).
9. garlic as claimed in claim 1, peanut digger is characterized in that the excavation part comprises excavation perching knife (36), excavate perching knife fixed head (40), excavate bracing frame (12) and suitable straw (49).
10. garlic as claimed in claim 1, peanut digger is characterized in that the crankshaft center line of engine (1) is parallel with the direction of advance of facility.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101106253A CN100544580C (en) | 2007-06-07 | 2007-06-07 | Garlic, peanut digger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101106253A CN100544580C (en) | 2007-06-07 | 2007-06-07 | Garlic, peanut digger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101053298A true CN101053298A (en) | 2007-10-17 |
| CN100544580C CN100544580C (en) | 2009-09-30 |
Family
ID=38793500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101106253A Expired - Fee Related CN100544580C (en) | 2007-06-07 | 2007-06-07 | Garlic, peanut digger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100544580C (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102047791A (en) * | 2010-11-10 | 2011-05-11 | 兰州理工大学 | Potato digger |
| CN102124858A (en) * | 2011-03-14 | 2011-07-20 | 张春平 | Sweet potato and peanut shovel loader |
| CN102823372A (en) * | 2012-09-14 | 2012-12-19 | 青岛农业大学 | Small crawler type tuber combine harvester |
| CN103814694A (en) * | 2014-02-21 | 2014-05-28 | 青海林丰农牧机械制造有限公司 | Potato collecting machine assorted with four wheels |
| CN104145597A (en) * | 2014-07-30 | 2014-11-19 | 李伟强 | Disc rotary cutting excavation water chestnut machine |
| CN104145593A (en) * | 2014-07-30 | 2014-11-19 | 李伟强 | Band saw structured rotary water chestnut picking shovel |
| CN104145590A (en) * | 2014-07-30 | 2014-11-19 | 廖煜明 | Spraying separation type water chestnut digger |
| CN104145594A (en) * | 2014-07-30 | 2014-11-19 | 李伟强 | Disc rotary cutting water chestnut excavation shovel |
| CN104145596A (en) * | 2014-07-30 | 2014-11-19 | 廖煜明 | Disc rotary cutting stratifying excavation water chestnut machine |
| CN104145595A (en) * | 2014-07-30 | 2014-11-19 | 李伟强 | Gas and water spraying type water chestnut digger |
| CN104145591A (en) * | 2014-07-30 | 2014-11-19 | 吴润秀 | Method for digging water chestnuts by rotary cutting and digger employing same |
| CN104163212A (en) * | 2014-08-01 | 2014-11-26 | 江苏爱凯农业装备制造有限公司 | Crawler-type high ground clearance tractor |
| CN104904340A (en) * | 2015-06-15 | 2015-09-16 | 李深文 | Subsoiling and ridge crushing machine |
| CN105009777A (en) * | 2015-08-10 | 2015-11-04 | 青岛理工大学 | Vibrating shovel ginger excavating and ginger three-stage soil screening cleaning mechanism |
| CN105409421A (en) * | 2015-12-10 | 2016-03-23 | 青岛理工大学 | Garlic harvester |
| CN105877938A (en) * | 2014-11-24 | 2016-08-24 | 周广刚 | Antiskid device for electric stair climbing wheelchair |
| CN109892093A (en) * | 2019-04-29 | 2019-06-18 | 华池县恒烽中药材苗林有限公司 | A kind of novel self-propelled long-rhizome class machine for digging Chinese medicinal material |
| CN112514629A (en) * | 2020-12-19 | 2021-03-19 | 徐州盛耘农业发展有限公司 | Harvester for garlic and peanuts |
| CN112640643A (en) * | 2020-12-17 | 2021-04-13 | 江西东方昊为科技股份有限公司 | Garlic harvesting robot |
| CN113800275A (en) * | 2021-09-23 | 2021-12-17 | 樊鑫 | Garlic collecting and processing device |
-
2007
- 2007-06-07 CN CNB2007101106253A patent/CN100544580C/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102047791A (en) * | 2010-11-10 | 2011-05-11 | 兰州理工大学 | Potato digger |
| CN102124858A (en) * | 2011-03-14 | 2011-07-20 | 张春平 | Sweet potato and peanut shovel loader |
| CN102823372A (en) * | 2012-09-14 | 2012-12-19 | 青岛农业大学 | Small crawler type tuber combine harvester |
| CN103814694B (en) * | 2014-02-21 | 2016-04-06 | 青海林丰农牧机械制造有限公司 | A kind of potato collecting machine supporting with four-wheel |
| CN103814694A (en) * | 2014-02-21 | 2014-05-28 | 青海林丰农牧机械制造有限公司 | Potato collecting machine assorted with four wheels |
| CN104145590A (en) * | 2014-07-30 | 2014-11-19 | 廖煜明 | Spraying separation type water chestnut digger |
| CN104145593A (en) * | 2014-07-30 | 2014-11-19 | 李伟强 | Band saw structured rotary water chestnut picking shovel |
| CN104145594A (en) * | 2014-07-30 | 2014-11-19 | 李伟强 | Disc rotary cutting water chestnut excavation shovel |
| CN104145596A (en) * | 2014-07-30 | 2014-11-19 | 廖煜明 | Disc rotary cutting stratifying excavation water chestnut machine |
| CN104145595A (en) * | 2014-07-30 | 2014-11-19 | 李伟强 | Gas and water spraying type water chestnut digger |
| CN104145591A (en) * | 2014-07-30 | 2014-11-19 | 吴润秀 | Method for digging water chestnuts by rotary cutting and digger employing same |
| CN104145597A (en) * | 2014-07-30 | 2014-11-19 | 李伟强 | Disc rotary cutting excavation water chestnut machine |
| CN104163212A (en) * | 2014-08-01 | 2014-11-26 | 江苏爱凯农业装备制造有限公司 | Crawler-type high ground clearance tractor |
| CN104163212B (en) * | 2014-08-01 | 2016-06-29 | 江苏爱凯农业装备制造有限公司 | Crawler type high-arch tractor |
| CN105877938A (en) * | 2014-11-24 | 2016-08-24 | 周广刚 | Antiskid device for electric stair climbing wheelchair |
| CN104904340A (en) * | 2015-06-15 | 2015-09-16 | 李深文 | Subsoiling and ridge crushing machine |
| CN105009777A (en) * | 2015-08-10 | 2015-11-04 | 青岛理工大学 | Vibrating shovel ginger excavating and ginger three-stage soil screening cleaning mechanism |
| CN105009777B (en) * | 2015-08-10 | 2017-05-31 | 青岛理工大学 | Vibrating shovel ginger excavating and ginger three-stage soil screening cleaning mechanism |
| CN105409421A (en) * | 2015-12-10 | 2016-03-23 | 青岛理工大学 | Garlic harvester |
| CN105409421B (en) * | 2015-12-10 | 2017-09-01 | 青岛理工大学 | Garlic harvester |
| CN109892093A (en) * | 2019-04-29 | 2019-06-18 | 华池县恒烽中药材苗林有限公司 | A kind of novel self-propelled long-rhizome class machine for digging Chinese medicinal material |
| CN112640643A (en) * | 2020-12-17 | 2021-04-13 | 江西东方昊为科技股份有限公司 | Garlic harvesting robot |
| CN112640643B (en) * | 2020-12-17 | 2022-07-26 | 江西东方昊为科技股份有限公司 | Garlic harvesting robot |
| CN112514629A (en) * | 2020-12-19 | 2021-03-19 | 徐州盛耘农业发展有限公司 | Harvester for garlic and peanuts |
| CN113800275A (en) * | 2021-09-23 | 2021-12-17 | 樊鑫 | Garlic collecting and processing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100544580C (en) | 2009-09-30 |
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Granted publication date: 20090930 Termination date: 20130607 |