CN101084723B - Scissors type pruning shear - Google Patents
Scissors type pruning shear Download PDFInfo
- Publication number
- CN101084723B CN101084723B CN200710069823A CN200710069823A CN101084723B CN 101084723 B CN101084723 B CN 101084723B CN 200710069823 A CN200710069823 A CN 200710069823A CN 200710069823 A CN200710069823 A CN 200710069823A CN 101084723 B CN101084723 B CN 101084723B
- Authority
- CN
- China
- Prior art keywords
- chain
- casing
- hand lever
- button
- straight hand
- 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.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
- B27B17/02—Chain saws equipped with guide bar
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
- B27B17/12—Lubricating devices specially designed for chain saws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
- B27B17/14—Arrangements for stretching the chain saw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
- B27G19/003—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for chain saws
Abstract
A scissors type pruning shears comprises two protective casing with one fixed on the casing and the other one coupling with the casing; two handles, wherein one is a D-type handle coupling with the casing body, the other one is straight handle, the plane of the D-type handle has an angle of 90 degree with the axial line of the straight handle, one end of the straight handle couples with the protective casing, the middle is connected to the casing through a pitman shaft, the other end couples with the casing through flexible glue and hinge and forms a four bar linkage mechanism, and the straight handle drive the protective casing through the four bar linkage mechanism to rotate between the first position of substance for cut inaccessible to the cutter chain and the second position of substance for cut accessible to the cutter chain; a chain type cutting device driven by the driving chain of the driving mechanism through a chain; a casing with driving mechanism built therein and supporting the cutting device. The invention has the advantages of convenient grip, easy operation and carry, increased shearing convenience and security.
Description
Technical field
The present invention relates to a kind of pruning tool, particularly a kind of scissors type pruning shear.
Background technology
Chain saw is the pruning used always or the instrument of cutting plants, and it is generally worked by the circulating chain saw cutter of drive mechanism, existing very long history, and in the evolution of product, done many improvement.As disclosed a kind of chain saw among the american documentation literature US3991470, it has two protective plates, can be installed on the body pivotally, and with carrier bar and chain isoplanar, at the head of two protective plates the guider of toroidal is arranged, be used for importing and be cut object.Owing to use two protective plates, therefore can prevent that operator or bystander from contacting chain saw, has good safety.But also there is weak point in this chain saw, and the opening and closing of two protective plates that it adopts can not be controlled by the user, use inconvenience.
Disclosed a kind of chain saw among the american documentation literature US 4294012 and for example, has a protective plate, this protective plate can rotate with respect to the carrier bar of chain saw and chain and be positioned at the plane that is parallel to the chain saw blade plane, following so that protective plate can be inserted into by the wood of sawing to reduce wood sawdust jam chain, perhaps catch by the twig of sawing and with it and import chain saw.This chain saw has the first in command on the saw body of being arranged on, and the second in command who is connected in protective plate, thereby can rotate protective plate by handle being rotated relative to each other come with respect to chain.The defective of this chain saw is that the first in command and the second in command's position is unreasonable, inconvenient operation.
Summary of the invention
Technical problem to be solved by this invention is to overcome the above-mentioned defective of prior art and a kind of scissors type pruning shear is provided, make its can handled easily safety again.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
Scissors type pruning shear comprises:
Two protective covers, a protective cover is fixed on the casing, and another protective cover axle is connected on the casing;
Two handles, one of them is that axle is connected in the D type handle on the housing, another is a straight hand lever, the plane at D type handle place becomes 90 degree with the axis of straight hand lever, straight hand lever one end and protective cover axle connect, the centre is connected by pitman shaft, connecting rod other end axle is connected on the casing, afterbody connects by flexible glue and hinge and casing axle and forms quadric chain, and the primary importance and the material to be cut of accessible cutting chain can not rotate between the second place near cutting chain straight hand lever at material to be cut by quadric chain drive protective cover;
One chain-type cutting mechanism: drive chain by the drive mechanism sprocket wheel and do the circulation cutting movement;
One casing, the built-in driving mechanism of casing, and support chains formula cutting mechanism.
Releasably locking mechanism also is set on the above-mentioned straight hand lever, and when protective cover was positioned at primary importance, this straight hand lever was locked releasedly.
Its axis of the motor of above-mentioned driving mechanism and two handles are in same plane, and by bevel-gear sett mechanism drive sprocket.
Compared with prior art, the invention has the advantages that:
1, by the D type handle that can adjust angle is set, this second in command is arranged on and the relative another side of D type handle, its axis becomes 90 degree vertical angles with the plane at D type handle place, can conveniently grip scissors type pruning shear, be convenient to work, and the convenient angle of adjusting D type handle of visual working environment, also be convenient to the user simultaneously and carry this instrument.
2, protective cover is connected with handle, the user can operate protective cover by handle and open and close, and has improved the comfort level and the safety of shearing.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention.
Fig. 2 is the vertical view of the embodiment of the invention.
Fig. 3 is the handle and a protective cover unfolding state figure of the embodiment of the invention.
Fig. 4 is the vegetation pruning schematic diagram of the embodiment of the invention.
Fig. 5 is the vegetation pruning schematic diagram of another embodiment of the present invention.
Fig. 6 is the schematic diagram in locking mechanism when locking of the embodiment of the invention.
Schematic diagram when Fig. 7 is the locking mechanism non-locking of the embodiment of the invention.
Fig. 8 is the schematic diagram of the chain tensioning mechanism of the instrument of exempting from of the embodiment of the invention.
Fig. 9 is the schematic diagram of the automatic lubrication mechanism of the embodiment of the invention.
Figure 10 is the schematic diagram of the console switch of the embodiment of the invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, scissors type pruning shear comprises:
One casing 1, the built-in chain saw driving mechanism of casing, and support chains formula cutting mechanism, carrier bar 5 support chains 4;
Two handles 6,7, one 7 on D type handle is connected in casing 1, another handle 6 one ends are connected by axle 19 with protective cover 3, the head position of handle is by axle 10 cylinder lever connecting rods 9, pull bar 9 other ends are connected on the housing 1 by axle 11, the rear portion of handle is provided with push switch 8 by flexible glue and hinge 12 and 1 company of casing on the handle 6.
Two protective covers 2,3, protective cover 2 is fixed on the casing 1, and blocks chain 4.
D type handle 7 is connected on the casing 1 by 14 on handwheel.Owing to adopt D type handle 7, therefore be convenient to grip the whole shrub and hedge trimmer of handled easily.Can also be by tightening and loosening the position that handwheel 14 changes D type handle 7, to adapt to different action needs.
Also be provided with console switch 8 on the D type handle 7, see Figure 10, console switch comprises by axle 83 and is connected elongated on the handle by bar 81 and touch switch 82, presses bar 81 over against touch switch 82, press by bar 81 and just connect touch switch 82, thus the control machine operation.
Equally, also be provided with identical operations switch 8 on the straight hand lever, connect with the console switch 8 on the D type handle, have only two switches to press the power supply that could connect shrub and hedge trimmer simultaneously during operation, shrub and hedge trimmer could be worked, and are therefore safer.Because this type of switch is more common, does not do detailed argumentation at this.
Fig. 3 has shown that the protective cover 3 of scissors type pruning shear is in the state when opening fully, this is the normally used operating position of this instrument, and the user can take turns the angle of 14 adjustment D type handles 7, the convenient gripping by handwheel, handle protective cover 3 by straight grip 6, protective cover 3 is opened or closed.
When not working, two protective covers 2,3 close up carrier bar 5 chains 4 are covered, and shield, and see Fig. 1.
During work, protective cover 3 by connecting rod 9 and hinge 10,11 and handle 6 interlocks, is driven and is opened by handle 6 under the manipulation of handle 6, and and chain between hold materials to be cut such as branch or jar wood and enter and cut.Protective cover 3 can also carry out clamping and spacing to material to be cut, makes cutting more convenient, and top chain 4 hides by protective cover 2, avoids operator and bystander to run into chain saw, improves the safety of operation, sees Fig. 4.
Above-mentioned protective cover 2 also can be connected in casing 1 and spacing by spring by axle, and its duty is referring to Fig. 5.Protective cover 2 is pushed open by the branch of sawing or jars wooden 20 etc. during work, and is subjected to the effect of spring force and clamps branch or jar wood, thus convenient cutting.
Also be provided with locking mechanism on the handle 6 of scissors type pruning shear, see Fig. 6, Fig. 7.
This locking mechanism comprises: connecting rod 22, press button, slide block 25, connecting rod 22 1 ends are fixed on the casing 1, other end band slotted eye 23, and a guiding groove 28 is arranged by post 24 guiding that are fixed on the handle, press button comprises button 26, is enclosed within the spring 27 on the button 26, slide block 25 places the inside groove 20 of handle and can move at groove, and the one end is connected with spring 29, and spring 29 is fixed on the handle.When two handles closed up, connecting rod 22 promoted slide blocks 25 and moves in groove and allow open position, moved to its slotted eye 23 under button to connecting rod 22, made button 26 can depress and pin connecting rod 22; After two handles were opened, the step on the slide block 25 can block button 26, and it can not be depressed.
Above-mentioned locking mechanism is used for when protective cover is in closure state and is off working state with handle 6 lockings, to reach safe handling and to be convenient to deposit the purpose of carrying.
Fig. 6 is when latched position, and the annular groove on the button 26 is stuck in the ellipse hole 23 of connecting rod 22, straight grip is locked in make protective cover 3 be in closed position.
Fig. 7 has shown the state of straight hand lever when maximum open position, and by pushing described straight hand lever, the annular groove on the button 26 breaks away from the ellipse hole 23 of connecting rod 22, is upspring by spring 27, and then straight hand lever is released from latched position.
Fig. 8 is the chain tensioning mechanism of the instrument of exempting from that is provided with in this scissors type pruning shear.Chain saw at work, chain since long-term stressed meeting be elongated, so need carry out tensioning to chain by chain tensioning mechanism.
Chain tensioning mechanism is: screw rod 19 1 end band bevel gears 17, be fixed on the housing 1, and its main body is passed nut 18, and nut 18 is fixed on the carrier bar 5, bevel gear 17 and another bevel gear 16 engagements, the end secured adjusted button 15 of another bevel gear 16.
Above-mentioned chain tensioning mechanism drives bevel gear 16 by the adjusting knob 15 that rotation is fixed on the casing 1, bevel gear 16 drives bevel gear 17 again, drive nut 18 when bevel gear 17 is rotated with screw rod 19 and move, drive carrier bar 5 by nut 18 again and move, thereby make chain 4 tensionings.
Referring to Fig. 9, the present invention also is provided with the chain automatic lubrication mechanism.
Above-mentioned chain automatic lubrication mechanism comprises fuel tank 28, oil pipe 31, oil nozzle 33, oil pump 32, and oil pump 32 is imported and exported and connected oil pipe 31, and oil pump 32 rotating shafts one end connects worm gear 29, and worm gear 29 cooperates with worm screw 30, and screw rod 30 is by driven by motor.
When lubricating chain 4, starter motor drives worm screw 30, worm gear 29 rotations by motor output shaft, produces pressure differential by oil pump 32 in oil pipe 31 again, thus the oil in the oil storage tank 28 is delivered to oil on the chain 4 by oil pipe 31, oil nozzle 33, thereby realized the self-lubricate chain.
Claims (5)
1. scissors type pruning shear is characterized in that:
Comprise:
Two protective covers, a protective cover is fixed on the casing, and another protective cover axle is connected on the casing;
Two handles, one of them is that axle is connected in the D type handle on the casing, another is a straight hand lever, the plane at D type handle place becomes 90 degree with the axis of straight hand lever, straight hand lever one end and another protective cover axle connect, the centre is connected by connecting rod first axle, connecting rod first other end axle is connected on the casing, the straight hand lever afterbody connects by flexible glue and hinge and casing axle and forms quadric chain, and straight hand lever drives another protective cover by quadric chain, and the primary importance and the material to be cut of accessible cutting chain can not rotate between the second place near cutting chain at material to be cut;
One chain-type cutting mechanism: drive chain by the drive mechanism sprocket wheel and do the circulation cutting movement;
One casing, the built-in driving mechanism of casing, and support chains formula cutting mechanism.
2. scissors type pruning shear according to claim 1, it is characterized in that: the chain tensioning mechanism that the instrument of exempting from is set on the described chain, described chain tensioning mechanism of exempting from instrument is: screw rod one end band bevel gear, be fixed on the casing, its main body is passed nut, nut is fixed on the carrier bar, bevel gear and the engagement of another bevel gear, the end secured adjusted button of another bevel gear.
3. scissors type pruning shear according to claim 1 and 2, it is characterized in that: establish locking mechanism on the described straight hand lever, described locking mechanism is: connecting rod second, press button, slide block, connecting rod second one end is fixed on the casing, other end band slotted eye, and a guiding groove is arranged by the post guiding that is fixed on the straight hand lever, press button comprises button, is enclosed within the spring second on the button, slide block places the inside groove of straight hand lever and can move at groove, the one end is connected with the spring first, and the spring first is fixed on the straight hand lever; When two handles closed up, connecting rod second promoted slide block and moves in groove, moved to its slotted eye under button to connecting rod second, and press push button is also pinned connecting rod second, press straight hand lever after, button leaves slotted eye and release link second.
4. scissors type pruning shear according to claim 1 and 2, it is characterized in that: also be provided with the chain automatic lubrication mechanism, the chain automatic lubrication mechanism comprises fuel tank, oil pipe, oil nozzle, oil pump, oil pump is imported and exported and is connected oil pipe, oil pump rotating shaft one end connects worm gear, worm gear cooperates with worm screw, and worm screw is by driven by motor.
5. according to the scissors type pruning shear in the claim 3, it is characterized in that: also be provided with the chain automatic lubrication mechanism, the chain automatic lubrication mechanism comprises fuel tank, oil pipe, oil nozzle, oil pump, oil pump is imported and exported and is connected oil pipe, oil pump rotating shaft one end connects worm gear, worm gear cooperates with worm screw, and worm screw is by driven by motor.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710069823A CN101084723B (en) | 2007-06-30 | 2007-06-30 | Scissors type pruning shear |
| DE112008001815.4T DE112008001815B4 (en) | 2007-06-30 | 2008-06-30 | Pruning shears |
| PCT/CN2008/001249 WO2009003367A1 (en) | 2007-06-30 | 2008-06-30 | Scissors-type pruning shears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710069823A CN101084723B (en) | 2007-06-30 | 2007-06-30 | Scissors type pruning shear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101084723A CN101084723A (en) | 2007-12-12 |
| CN101084723B true CN101084723B (en) | 2010-05-26 |
Family
ID=38936025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710069823A Expired - Fee Related CN101084723B (en) | 2007-06-30 | 2007-06-30 | Scissors type pruning shear |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101084723B (en) |
| DE (1) | DE112008001815B4 (en) |
| WO (1) | WO2009003367A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101084723B (en) * | 2007-06-30 | 2010-05-26 | 浙江亚特电器有限公司 | Scissors type pruning shear |
| EP2159529B1 (en) * | 2008-08-26 | 2014-06-04 | Robert Bosch GmbH | Powered cutting tool |
| ITRM20080600A1 (en) * | 2008-11-07 | 2010-05-08 | Remo Francesco Cecchi | CUTTING DEVICE FOR BRANCHES, SHRUBS AND THE LIKE. |
| FR2961374A1 (en) * | 2010-06-22 | 2011-12-23 | Kosmo Solutions | Tool for cutting branch of e.g. tree, has telescopic handle placed in housing of ergonomic handle, and assembly formed of chain saw type cutter chain, electric motor and pinions, where assembly is associated with ergonomic handle |
| CN102913732B (en) * | 2012-10-09 | 2015-04-08 | 浙江亚特电器有限公司 | Handheld electric engraving tool |
| CN104067868B (en) * | 2014-06-26 | 2015-12-23 | 天峨县平昌生态农业有限公司 | A kind of electric lopping device |
| CN105981598A (en) * | 2015-02-11 | 2016-10-05 | 杭州鲁茨科技有限公司 | Pruning shears |
| CN104838901B (en) * | 2015-05-15 | 2017-05-10 | 北京市农林科学院 | Handhold fruit shear |
| CN105858562B (en) * | 2016-06-06 | 2018-05-08 | 浙江视野环境艺术装饰工程有限公司 | A kind of adjusting apparatus of gardens nursing work table |
| CN109079917A (en) * | 2018-09-03 | 2018-12-25 | 浙江安吉良辰竹木有限公司 | A kind of chain saw for bamboo and wood truncation |
| CN109566132B (en) * | 2018-12-20 | 2020-12-25 | 福州市蔬菜科学研究所 | Cabbage leaves of reserving kind ball ring cuts instrument |
| CN110508903B (en) * | 2019-08-27 | 2021-05-07 | 河海大学常州校区 | Manual welding speed detection device |
| CN114073202A (en) * | 2020-08-20 | 2022-02-22 | 昆山市春和景明建设工程有限公司 | High branch chain saw |
| CN113557868B (en) * | 2021-08-20 | 2022-12-06 | 奉节县增桂水果种植专业合作社 | Pinching treatment device for top branches of fruit trees |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3808684A (en) * | 1972-02-25 | 1974-05-07 | R Ludwig | Attachment for a chain saw |
| US4294012A (en) * | 1980-03-25 | 1981-10-13 | Lanz Donald D | Chain saw anti-pinch guard arm |
| CN2195183Y (en) * | 1994-04-04 | 1995-04-26 | 汪进 | Pruning secateurs |
| EP0653274A1 (en) * | 1993-11-13 | 1995-05-17 | Black & Decker Inc. | Improved power tool guard. |
| CN1127063A (en) * | 1994-08-11 | 1996-07-24 | 菲斯卡尔斯公司 | Compound action hand pruner |
| CN1931491A (en) * | 2005-09-16 | 2007-03-21 | 创科实业有限公司 | Chainsaw tensioner |
| CN201069928Y (en) * | 2007-06-30 | 2008-06-11 | 陈勇 | Scissors type lopping shears |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3991490A (en) | 1973-04-09 | 1976-11-16 | Markman H David | Teaching aid for sigmoidoscope and the like |
| US3991470A (en) * | 1976-01-22 | 1976-11-16 | Charles R. Musgrave, III | Chain saw guard structure |
| CN2088466U (en) * | 1991-03-08 | 1991-11-13 | 陈林 | Clamp with automatic fastening function |
| GB2404613A (en) * | 2003-07-14 | 2005-02-09 | David Jarman | A vegetation pruning device |
| CN101084723B (en) * | 2007-06-30 | 2010-05-26 | 浙江亚特电器有限公司 | Scissors type pruning shear |
-
2007
- 2007-06-30 CN CN200710069823A patent/CN101084723B/en not_active Expired - Fee Related
-
2008
- 2008-06-30 DE DE112008001815.4T patent/DE112008001815B4/en not_active Expired - Fee Related
- 2008-06-30 WO PCT/CN2008/001249 patent/WO2009003367A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3808684A (en) * | 1972-02-25 | 1974-05-07 | R Ludwig | Attachment for a chain saw |
| US4294012A (en) * | 1980-03-25 | 1981-10-13 | Lanz Donald D | Chain saw anti-pinch guard arm |
| EP0653274A1 (en) * | 1993-11-13 | 1995-05-17 | Black & Decker Inc. | Improved power tool guard. |
| CN2195183Y (en) * | 1994-04-04 | 1995-04-26 | 汪进 | Pruning secateurs |
| CN1127063A (en) * | 1994-08-11 | 1996-07-24 | 菲斯卡尔斯公司 | Compound action hand pruner |
| CN1931491A (en) * | 2005-09-16 | 2007-03-21 | 创科实业有限公司 | Chainsaw tensioner |
| CN201069928Y (en) * | 2007-06-30 | 2008-06-11 | 陈勇 | Scissors type lopping shears |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101084723A (en) | 2007-12-12 |
| WO2009003367A1 (en) | 2009-01-08 |
| DE112008001815T5 (en) | 2010-09-16 |
| DE112008001815B4 (en) | 2016-03-10 |
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| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG YATE ELECTRICAL CO., LTD. Free format text: FORMER OWNER: CHEN YONG Effective date: 20080711 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20080711 Address after: Jiaxing City, Zhejiang Province town industrial zone, Nanhu District more than North Water Road No. 1 Zhejiang Yate Electric Appliance Co. Ltd postal encoding: 314009 Applicant after: Zhejiang King Electric Appliance Co., Ltd. Address before: Post encoding Nanhu District on the north side of Yulu Shi Yu Xin Zhen Yate Electrical Appliance Co., Ltd. Jiaxing City, Zhejiang Province: 314009 Applicant before: Chen Yong |
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