CN201499509U - Control system for fence dividing of individual pig of herd of pigs feeding - Google Patents
Control system for fence dividing of individual pig of herd of pigs feeding Download PDFInfo
- Publication number
- CN201499509U CN201499509U CN2009201788401U CN200920178840U CN201499509U CN 201499509 U CN201499509 U CN 201499509U CN 2009201788401 U CN2009201788401 U CN 2009201788401U CN 200920178840 U CN200920178840 U CN 200920178840U CN 201499509 U CN201499509 U CN 201499509U
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- individual pig
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Abstract
The utility model discloses a control system for the fence dividing of an individual pig of herd of pigs feeding, comprising a main path and two branch paths, wherein the main path is provided with a control door for the entering of the individual pig, a separating door is arranged at the juncture of the main path and the branch paths; the control system further comprises a single-chip computer controller, a radio frequency ear tag, a recognition device for recognizing the radio frequency ear tag, a sensor and a driving device for controlling the separating door to open/close a certain branch path; the recognition device for recognizing the radio frequency ear tag, the sensor and the driving device are respectively and electrically connected with the single-chip computer controller, each fence dividing path is further provided with a detecting device connected with the single-chip computer controller for ensuring the condition that the individual pig enters the branch paths. The utility model has the benefits of rapidly and automatically fence dividing the individual pigs with different physiological features in the herd of pigs without fence dividing the individual pigs manually, reducing the labor strength of a feeder, and improving the working efficiency.
Description
Technical field
The utility model belongs to the field of raising pigs, especially a kind of control system that is used for the individual pig subfield of group swine rearing.
Background technology
In recent years, China's pig industry development occupies critical role rapidly in world's pig industry, and raising pigs becomes the pillar industry of China's agricultural and rural economy already.Though China is the individual big country of raising pigs, but not the power of raising pigs, with the world standard ratio, the level of raising pigs is also lower, mainly show: the rate of animals delivered to the slaughter-house is low, the feedstuff-meat ratio height, labor productivity is low etc., cause China's lower reason of level of raising pigs mainly to also have kind, feed nutrition, factors such as feeding and management and facility fall behind, in present group support pig process, need in large numbers of pigs the pig of different physiological characteristics being separated into different locally sometimes, existing simple subfield device cooperates traditional artificial subfield method can not satisfy the demand, and exist labour intensity big, problem such as efficient is low.
Summary of the invention
Basic task of the present utility model is to solve the problem that individual pig subfield exists in existing group's swine rearing, is provided for the control system of the individual pig subfield of group swine rearing.Make its can reach individual pig quick and Methodistic, carry out subfield accurately.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of control system that is used for the individual pig subfield of group swine rearing, it is characterized in that: described control system comprises main channel and at least two branched bottoms, described control system also comprises the one-chip computer controller, be installed in the radio frequency ear board on the ear of pig, be installed in the recognition device that enters preceding main channel one side of control gate for identification radio frequency ear board, be installed in being used on the control gate and detect individual pig by first checkout gear of control gate and the drive unit of a certain branched bottom of a control separation gate On/Off, on the main channel, be provided with the control gate that is controlled by the one-chip computer controller that only allows the only individual pig of single list to enter, intersection at main channel and branched bottom is provided with separation gate, the recognition device of radio frequency ear board, first checkout gear and drive unit are electrically connected with the one-chip computer controller respectively, also be equipped with one and determine that individual pig enters second checkout gear of branched bottom on each subfield passage, second checkout gear is electrically connected with the one-chip computer controller.
Described control gate is a unilateral gate, and unilateral gate comprises doorframe, door leaf, door-hinge, return spring, block and electric lock, and block and electric lock are installed on the doorframe.
Described control gate is an automatically-controlled door, automatically-controlled door comprise the control system of door lock, door lock and be installed on the doorframe the door body.
Described door body comprises the wheel bar of rotating shaft bar, some equal length; The upper end of rotating shaft bar is connected with the upper door frame bar; Each takes turns angled being fixed on the rotating shaft bar in plane at bar and upper door frame bar and rotating shaft bar place; Each is taken turns the bar same intervals and arranges; Each free end of taking turns bar all is equipped with plastic wheel; The rotating shaft vertical direction of plastic wheel arranges; Wherein the door body is provided with two fans; Two ends by the rotating shaft bar are installed on the fence of passage both sides respectively; Two fan doors are provided with the interval along channel direction; Between two fan door bodies, be provided with return spring
Described door lock is arranged between the two fan door bodies, door lock comprises the bayonet lock device that two covers are oppositely arranged, one supporting plate, one pressure pin, every cover bayonet lock device comprises the right-angled trapezium piece, back-up block, rotating shaft, the right-angled trapezium piece is provided with shaft hole near the place, position, right angle of bottom, place, position, oblique angle near last base is provided with projection, one end of rotating shaft is fixed on the back-up block, the other end is installed in the shaft hole of right-angled trapezium piece, the hypotenuse of the right-angled trapezium piece in the two cover bayonet lock devices is oppositely arranged, supporting plate is installed between the right-angled trapezium piece and back-up block of every cover bayonet lock device, and be positioned at the below of two projections, wherein the length of supporting plate is greater than the distance between the two projection axial lines, the width of supporting plate is less than distance between the right-angled trapezium piece of every cover bayonet lock device and the back-up block, pressure pin is spirally connected and is fixed on the supporting plate, and pressure pin is installed on the gripper shoe by a sleeve, and gripper shoe is across being connected at above the passage and two ends on the fence of both sides, pressure pin can move up and down along sleeve
The control system of described door lock is installed on the support bar of top of door lock, support bar is across being connected at above the passage and two ends on the fence of both sides, the control system of door lock comprises eccentric wheel, one lever, the direct current generator and the metal detector that are electrically connected with the one-chip computer controller, metal detector is arranged on the direct current generator, the output shaft of eccentric wheel and direct current generator is coupling, eccentric wheel be positioned at lever an end directly over, the other end of lever is provided with a through hole, the internal diameter of through hole is greater than the external diameter of pressure pin, the upper end of pressure pin is installed in the through hole, is provided with balance pivot between direct current generator and pressure pin.
Described first checkout gear be one be installed in the branched bottom infrared sensor or for the recognition device of identification radio frequency ear board.
Described branched bottom is provided with two, described separation gate is installed on the fence of the public side of two branched bottoms, described drive unit is one to be installed in the electric pushrod between separation gate and the fence, this electric pushrod comprises a motor and a push rod by driven by motor, separation gate is opened one of them branched bottom under the control of electric pushrod, close another branched bottom accordingly.
Described second checkout gear be one be installed in each branched bottom infrared sensor or for the recognition device of identification radio frequency ear board.
Also be connected with the ink discharge device that a pair of individual pig carries out the ink-jet mark on the described one-chip computer controller, ink discharge device is installed on the control gate.
The arrival end of described branched bottom also is equipped with the rotating shaft door of a unidirectional unlatching, and described second checkout gear is one to be installed in the switching signal device on the rotating shaft door.
Described rotating shaft door comprise doorframe, door leaf, door-hinge, block and be installed in doorframe and door leaf between return spring.
The beneficial effects of the utility model are: fast automaticly the individual pig that has identical information in the group pig is carried out subfield handle, do not need manually to go individual pig subfield has been reduced poultry raiser's labour intensity, improved operating efficiency.Employing can only allow individual pig forward direction control of turning door, individual pig can't be fallen back, the pig that also prevents simultaneously the back is closelyed follow the pig of front also by the mechanism that enters, so just can guarantee that the individual pig of single head enters the mid portion and the port of export of single file passage, enter the branched bottom of having opened again, prevent the wrong report of the signal at this place, further improved the reliability of individual pig subfield in group's swine rearing.
Description of drawings
Fig. 1 is the system block diagram of the control system of the utility model individual pig subfield of being used for group swine rearing;
Fig. 2 is a kind of structural representation of device that is controlled by the individual pig subfield of Fig. 1;
Fig. 3 is the structural representation of control gate of the device of the individual pig subfield of Fig. 2;
Fig. 4 is the door lock and the door lock control system structural representation of Fig. 3 control gate.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
Shown in Fig. 1-4, the utility model is used for the control system of the individual pig subfield of group swine rearing, comprise the analyzing and processing signal, send the one-chip computer controller 9 of execution command, be connected with on the one-chip computer controller and be installed in the recognition device 6 that enters control gate one side, be installed in first checkout gear 7 on the control gate for identification radio frequency ear board 5, the drive unit 42 and of a certain branched bottom of a control separation gate On/Off determines that individual pig enters second checkout gear 8 of branched bottom, radio frequency ear board 5 is installed on the individual pig ear.The recognition device 6 of radio frequency ear board, first checkout gear 7, second checkout gear 8 all send signal to one-chip computer controller 9, and one-chip computer controller 9 is according to the signal controlling separation gate and the control gate that receive.
Individual pig subfield device comprises the main channel fence 1 that constitutes unidirectional path of travel, constitute the branched bottom fence 2 of two branched bottoms, be provided with separation gate between the arrival end of the port of export of main channel fence 1 and branched bottom fence 2, the rotating shaft door of one unidirectional unlatching also is installed at the arrival end of each branched bottom, the inducer of main channel fence 1 is provided with control gate 3, the recognition device 6 of radio frequency ear board is installed in passage one side that enters control gate 3, first checkout gear is installed on control gate 3 and individual pig is carried out the ink discharge device 10 of ink-jet mark, first checkout gear 7 can be an infrared sensor, but in order to determine pig more accurately by control gate, present embodiment adopts the recognition device of identification radio frequency ear board as first checkout gear.Fence in the branched bottom is provided with one and determines second checkout gear 8 that individual pig enters, in the present embodiment, second checkout gear 8 is infrared sensor on the fence 21 that is installed in the public side of two branched bottoms, also can be the recognition device of identification radio frequency ear board or be installed in switching signal device on the rotating shaft door, as travel switch, when rotating shaft door one is opened, travel switch has a pulse signal to pass to the one-chip computer controller, also can realize detecting the effect that pig enters branched bottom.Separation gate comprises the drive unit 42 of a rotating shaft door 41, a certain branched bottom of a control separation gate On/Off, this drive unit is an electric pushrod, rotating shaft door 41 is installed on the fence 21 of the public side of two branched bottoms, electric pushrod is installed between rotating shaft door 41 and the fence, rotating shaft door 41 is opened one of them branched bottom under the control of electric pushrod, close another branched bottom accordingly, electric pushrod is given an order by one-chip computer controller 9 and is moved.
Can the choice structure comparatively simple unilateral gate of control gate in the present embodiment, unilateral gate comprises doorframe, door leaf, door-hinge, return spring, block and electric lock, return spring one end is installed on the door leaf, the other end is installed on the doorframe, realize the self-return of door leaf, block and electric lock are installed on the doorframe, and electric lock is controlled by the one-chip computer controller.But in order to reach better effect, control gate is selected a kind of automatically-controlled door 3 for use, wherein automatically-controlled door 3 comprises doorframe 31, door body 32, door lock 33 and door lock control system 36, door body 32 comprises rotating shaft bar 321, the wheel bar 322 of some equal length, the upper end of rotating shaft bar 321 is connected with a cross bar 34, each is taken turns the bar same intervals and arranges, each is taken turns bar and is fixed on the rotating shaft bar 321, each takes turns the angled setting in plane at bar 322 and cross bar 34 and rotating shaft bar 321 places, each free end of taking turns bar 322 all is equipped with plastic wheel 323, the rotating shaft vertical direction of plastic wheel 323 is provided with, door body 32 is provided with two fans, wherein the Yishanmen body is installed in a side of doorframe 31 front sides by the two ends of its rotating shaft bar, the Yishanmen body is installed in the opposite side of doorframe 31 rear sides by the two ends of its rotating shaft bar in addition, cross bar 34 is parallel with the perpendicular of doorframe front side with the plane at rotating shaft bar place, between two fan doors, be provided with return spring 35, door lock 33 is installed on the doorframe 31, door lock control system 36 is installed in the top of door lock 33, door lock 33 comprises the bayonet lock device 331 that two covers are oppositely arranged, one supporting plate 332 and a pressure pin 333, every cover bayonet lock device 331 comprises right-angled trapezium piece 334, back-up block 335, rotating shaft 336, right-angled trapezium piece 334 is provided with shaft hole near the place, position, right angle of bottom, place, position, oblique angle near last base is provided with projection 337, right-angled trapezium piece 334 be arranged in parallel with back-up block 335 relative spacings, one end of rotating shaft 336 is fixed on the back-up block 335, the other end is installed in the shaft hole of right-angled trapezium piece 334, the hypotenuse of the right-angled trapezium piece in the two cover bayonet lock devices is oppositely arranged, supporting plate 332 is installed between the right-angled trapezium piece 334 and back-up block 335 of every cover bayonet lock device, and be positioned at the below of two projections, wherein the length of supporting plate 332 is greater than the distance between the two projection axial lines, the width of supporting plate 332 is less than the right-angled trapezium piece of every cover bayonet lock device and the distance between the back-up block, pressure pin 333 is fixed on the supporting plate 332, pressure pin 333 is installed on doorframe 31 upper edges by a sleeve, pressure pin 333 can move up and down along sleeve, door lock control system 36 comprises eccentric wheel 361, a direct current generator 362 and a lever 363, eccentric wheel 361 is coupling with the output shaft of direct current generator 362, eccentric wheel 361 be positioned at lever 363 an end directly over, the other end of lever 363 is provided with a through hole, the internal diameter of through hole is greater than the external diameter of pressure pin 333, the upper end of pressure pin 333 is installed in the through hole of lever 363, between direct current generator 362 and pressure pin 333, be provided with balance pivot 364, be provided with metal detector on direct current generator, metal detector is surveyed the rotational angle of eccentric wheel 361.
Operation principle of the present utility model is: when individual pig enters main channel 1 arrival automatically-controlled door 3, after the recognition device 6 of radio frequency ear board receives the signal of radio frequency ear board 5, send signal to one-chip computer controller 9, one-chip computer controller 9 sends execution command according to after the signal analysis and processing that receives, open a certain branched bottom that this individuality pig will enter by the control separation gate, close another branched bottom accordingly, automatically-controlled door 3 is opened simultaneously, individual pig then can pass through automatically-controlled door, when the infrared sensor 7 on being installed in automatically-controlled door has signal, the door lock of one-chip computer controller 9 control automatically-controlled doors 3 pins, this moment, the pig of back then can not enter, and according to the needs of setting individual pig was carried out the ink-jet mark simultaneously.Then, individual pig enters branched bottom, when the sensor on the branched bottom has signal, judges that individual pig separates, turns back to original state, continues to separate next pig, so circulation.
Claims (10)
1. control system that is used for the individual pig subfield of group swine rearing, it is characterized in that: the described control system that is used for the individual pig subfield of group swine rearing comprises the one-chip computer controller, be arranged on the control gate that is controlled by the one-chip computer controller that only allows the only individual pig of single list to enter on the main channel, be arranged on the separation gate of main channel and branched bottom intersection, the described control system that is used for the individual pig subfield of group swine rearing also comprises the radio frequency ear board on the ear that is installed in pig, be installed in the recognition device that enters preceding main channel one side of control gate for identification radio frequency ear board, be installed in being used on the control gate and detect individual pig by first checkout gear of control gate and the drive unit of a certain branched bottom of a control separation gate On/Off, the recognition device of radio frequency ear board, first checkout gear and drive unit are electrically connected with the one-chip computer controller respectively, also be equipped with one and determine that individual pig enters second checkout gear of branched bottom on each subfield passage, second checkout gear is electrically connected with the one-chip computer controller.
2. the control system that is used for the individual pig subfield of group swine rearing according to claim 1, it is characterized in that: described control gate is a unilateral gate, unilateral gate comprises doorframe, door leaf, door-hinge, return spring, block and electric lock, and block and electric lock are installed on the doorframe.
3. the control system that is used for the individual pig subfield of group swine rearing according to claim 1 is characterized in that: described control gate is an automatically-controlled door, automatically-controlled door comprise the control system of door lock, door lock and be installed on the doorframe the door body.
4. the control system that is used for the individual pig subfield of group swine rearing according to claim 3, it is characterized in that: described door body comprises the rotating shaft bar, the wheel bar of some equal length, the upper end of rotating shaft bar is connected with the upper door frame bar, each takes turns angled being fixed on the rotating shaft bar in plane at bar and upper door frame bar and rotating shaft bar place, each is taken turns the bar same intervals and arranges, each free end of taking turns bar all is equipped with plastic wheel, the rotating shaft vertical direction of plastic wheel is provided with, wherein the door body is provided with two fans, two ends by the rotating shaft bar are installed on the fence of passage both sides respectively, two fan doors are provided with at interval along channel direction, are provided with return spring between two fan door bodies
Described door lock is arranged between the two fan door bodies, door lock comprises the bayonet lock device that two covers are oppositely arranged, one supporting plate, one pressure pin, every cover bayonet lock device comprises the right-angled trapezium piece, back-up block, rotating shaft, the right-angled trapezium piece is provided with shaft hole near the place, position, right angle of bottom, place, position, oblique angle near last base is provided with projection, one end of rotating shaft is fixed on the back-up block, the other end is installed in the shaft hole of right-angled trapezium piece, the hypotenuse of the right-angled trapezium piece in the two cover bayonet lock devices is oppositely arranged, supporting plate is installed between the right-angled trapezium piece and back-up block of every cover bayonet lock device, and be positioned at the below of two projections, wherein the length of supporting plate is greater than the distance between the two projection axial lines, the width of supporting plate is less than distance between the right-angled trapezium piece of every cover bayonet lock device and the back-up block, pressure pin is spirally connected and is fixed on the supporting plate, and pressure pin is installed on the gripper shoe by a sleeve, and gripper shoe is across being connected at above the passage and two ends on the fence of both sides, pressure pin can move up and down along sleeve
The control system of described door lock is installed on the support bar of top of door lock, support bar is across being connected at above the passage and two ends on the fence of both sides, the control system of door lock comprises eccentric wheel, one lever, the direct current generator and the metal detector that are electrically connected with the one-chip computer controller, metal detector is arranged on the direct current generator, the output shaft of eccentric wheel and direct current generator is coupling, eccentric wheel be positioned at lever an end directly over, the other end of lever is provided with a through hole, the internal diameter of through hole is greater than the external diameter of pressure pin, the upper end of pressure pin is installed in the through hole, is provided with balance pivot between direct current generator and pressure pin.
5. be used for the control system of the individual pig subfield of group swine rearing according to described any of claim 1-4, it is characterized in that: described first checkout gear be one be installed in the branched bottom infrared sensor or for the recognition device of identification radio frequency ear board.
6. be used for the control system of the individual pig subfield of group swine rearing according to described any of claim 1-4, it is characterized in that: described branched bottom is provided with two, described separation gate is installed on the fence of the public side of two branched bottoms, described drive unit is one to be installed in the electric pushrod between separation gate and the fence, this electric pushrod comprises a motor and a push rod by driven by motor, separation gate is opened one of them branched bottom under the control of electric pushrod, close another branched bottom accordingly.
7. the control system that is used for the individual pig subfield of group swine rearing according to claim 6 is characterized in that: described second checkout gear be one be installed in each branched bottom infrared sensor or for the recognition device of identification radio frequency ear board.
8. the control system that is used for the individual pig subfield of group swine rearing according to claim 6 is characterized in that: also be connected with the ink discharge device that a pair of individual pig carries out the ink-jet mark on the described one-chip computer controller, ink discharge device is installed on the control gate.
9. the control system that is used for the individual pig subfield of group swine rearing according to claim 6, it is characterized in that: the arrival end of described branched bottom also is equipped with the rotating shaft door of a unidirectional unlatching, and described second checkout gear is one to be installed in the switching signal device on the rotating shaft door.
10. the control system that is used for the individual pig subfield of group swine rearing according to claim 9 is characterized in that: described rotating shaft door comprise doorframe, door leaf, door-hinge, block and be installed in doorframe and door leaf between return spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201788401U CN201499509U (en) | 2009-05-17 | 2009-09-11 | Control system for fence dividing of individual pig of herd of pigs feeding |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920154991.3 | 2009-05-17 | ||
| CN2009201788401U CN201499509U (en) | 2009-05-17 | 2009-09-11 | Control system for fence dividing of individual pig of herd of pigs feeding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201499509U true CN201499509U (en) | 2010-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201788401U Expired - Lifetime CN201499509U (en) | 2009-05-17 | 2009-09-11 | Control system for fence dividing of individual pig of herd of pigs feeding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201499509U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103461144A (en) * | 2013-08-14 | 2013-12-25 | 河南河顺自动化设备有限公司 | Animal guiding device and feeding system using animal guiding device |
| CN105145393A (en) * | 2015-09-07 | 2015-12-16 | 北京京鹏环宇畜牧科技股份有限公司 | Automatic color-marking device for livestock |
| CN105746364A (en) * | 2016-03-04 | 2016-07-13 | 乔晓滨 | Sow pigpen with automatic precise feeding function |
| CN106912446A (en) * | 2017-03-07 | 2017-07-04 | 河北科技大学 | The animal husbandry method and device of a kind of ecology |
| CN108037717A (en) * | 2017-12-07 | 2018-05-15 | 北京探感科技股份有限公司 | Intelligence pig raising farm monitoring system |
| CN108739412A (en) * | 2018-05-17 | 2018-11-06 | 务川自治县宏牧羊业有限公司 | Sick sheep shielding system |
| CN110999809A (en) * | 2019-11-20 | 2020-04-14 | 广州赛特智能科技有限公司 | Experimental animal unmanned experimental system |
-
2009
- 2009-09-11 CN CN2009201788401U patent/CN201499509U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103461144A (en) * | 2013-08-14 | 2013-12-25 | 河南河顺自动化设备有限公司 | Animal guiding device and feeding system using animal guiding device |
| CN103461144B (en) * | 2013-08-14 | 2015-11-04 | 河南河顺自动化设备有限公司 | Animal guiding device and use the system of feeding of this device |
| CN105145393A (en) * | 2015-09-07 | 2015-12-16 | 北京京鹏环宇畜牧科技股份有限公司 | Automatic color-marking device for livestock |
| CN105145393B (en) * | 2015-09-07 | 2017-12-01 | 北京京鹏环宇畜牧科技股份有限公司 | Domestic animal marks color device automatically |
| CN105746364A (en) * | 2016-03-04 | 2016-07-13 | 乔晓滨 | Sow pigpen with automatic precise feeding function |
| CN106912446A (en) * | 2017-03-07 | 2017-07-04 | 河北科技大学 | The animal husbandry method and device of a kind of ecology |
| CN106912446B (en) * | 2017-03-07 | 2022-08-05 | 河北科技大学 | Ecological livestock breeding method and device |
| CN108037717A (en) * | 2017-12-07 | 2018-05-15 | 北京探感科技股份有限公司 | Intelligence pig raising farm monitoring system |
| CN108739412A (en) * | 2018-05-17 | 2018-11-06 | 务川自治县宏牧羊业有限公司 | Sick sheep shielding system |
| CN110999809A (en) * | 2019-11-20 | 2020-04-14 | 广州赛特智能科技有限公司 | Experimental animal unmanned experimental system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG GUANGXING POULTRY EQUIPMENT CO., LTD. Free format text: FORMER NAME: GUANGDONG GUANGXING ANIMAL MECHANICAL EQUIPMENT CORP. |
|
| CP03 | Change of name, title or address |
Address after: 510630 Guangdong city of Guangzhou province Tianhe District Shipai five road No. 261 Building No. 31 self-made compound Patentee after: GUANGDONG GUANGXING ANIMAL HUSBANDRY INDUSTRY MECHANICAL EQUIPMENT CO., LTD. Address before: 510630 No. five, 261 mountain road, Guangzhou, Guangdong, Tianhe District Patentee before: Guangdong Guangxing Husbandry Machinery Manufacturing Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20100609 |
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| CX01 | Expiry of patent term |