CN111903534B - Beef cattle manure matched cleaning equipment - Google Patents
Beef cattle manure matched cleaning equipment Download PDFInfo
- Publication number
- CN111903534B CN111903534B CN202010754448.8A CN202010754448A CN111903534B CN 111903534 B CN111903534 B CN 111903534B CN 202010754448 A CN202010754448 A CN 202010754448A CN 111903534 B CN111903534 B CN 111903534B
- Authority
- CN
- China
- Prior art keywords
- wall
- cleaning
- fixed
- cattle manure
- arm
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 94
- 241000283690 Bos taurus Species 0.000 title claims abstract description 47
- 210000003608 fece Anatomy 0.000 title claims abstract description 42
- 239000010871 livestock manure Substances 0.000 title claims abstract description 27
- 235000015278 beef Nutrition 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 10
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 241001417527 Pempheridae Species 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000003756 stirring Methods 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 description 6
- 239000011324 bead Substances 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 206010039509 Scab Diseases 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/01—Removal of dung or urine, e.g. from stables
- A01K1/0132—Removal of dung or urine, e.g. from stables by means of scrapers or the like moving to-and-fro or step-by-step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses beef cattle manure matched cleaning equipment, and aims to solve the problems that when cattle manure is cleaned by cattle manure cleaning mechanical equipment, the dried and hardened cattle manure at the bottom layer of a cowshed is difficult to clean, and the cleaning effect is poor due to the fact that the conventional mechanical equipment cannot effectively clean the scabbed and hardened cattle manure. According to the invention, the worm is driven to rotate by the rotation of the wheel during advancing, the threaded rod is driven to rotate by the meshing action, the drive plate is further driven to rotate to stir the extension plate, the bracket is further driven to slide in the sliding groove through the sliding block, the bracket drives the cleaning brush arranged at the bottom to generate transverse vibration in the process of advancing along with equipment, the hardened cow dung is scrubbed by effectively utilizing kinetic energy generated by advancing, and the cleaning effect on the cow shed is improved.
Description
Technical Field
The invention relates to the technical field of cow dung cleaning, in particular to a cleaning device matched with beef cow dung.
Background
The cowshed is a house for feeding dairy cows and beef cattle, and can be constructed into a semi-open cowshed, a plastic greenhouse cowshed and the like according to different north and south climatic conditions, wherein the semi-open cowshed has good ventilation and is suitable for southern areas; the plastic greenhouse cowshed has good heat preservation effect, is more suitable for cold northern in winter, is mostly of a mixed structure in cowshed buildings, generally adopts brick walls for bearing, steel roof trusses or reinforced concrete combined roof trusses,
the cowshed cleaning means is various, artifical sanitization, it is with high costs, the manpower burden is big, mechanical equipment is at present not enough to popularize and the large equipment operation of entering the field can cause the frightening to the beef cattle, wherein clear up the most obvious problem of cow dung through mechanical equipment still because the cow dung dry hardening of bottom is difficult to clear up in the cowshed, current mechanical equipment can't effectively clear up the cow dung of scabbing sclerosis, lead to the problem that cleaning performance is not good, and current patent is difficult for solving this type of problem, therefore, the supporting cleaning equipment of a beef cattle manure is needed urgently to solve above-mentioned problem.
Disclosure of Invention
The invention provides a beef cattle manure matched cleaning device based on the technical problems that when the conventional beef manure cleaning mechanical device is used for cleaning cow manure, the dried and hardened cow manure at the bottom layer in a cowshed is difficult to clean, and the conventional mechanical device cannot effectively clean scabbed and hardened cow manure, so that the cleaning effect is poor.
In order to achieve the purpose, the invention adopts the following technical scheme:
a beef cattle manure matched cleaning device comprises a first cleaning arm, a baffle, a connecting plate and a cleaning brush, wherein one side outer wall of the first cleaning arm is connected with a second cleaning arm through a bearing, the top outer walls of the second cleaning arm and the first cleaning arm are connected with a fastening bolt through a bolt, one side outer wall of the first cleaning arm is fixed with a guide rod through a bolt, the bottom outer wall of the guide rod is provided with a pulley, one side outer wall of the guide rod is fixed with a steel wire through a screw, one side outer wall of the first cleaning arm is fixed with a push plate through a bolt, one side outer wall of the first cleaning arm is provided with a sliding groove, the inner wall of the sliding groove is connected with a sliding block in a sliding mode, one side outer wall of the sliding block is fixed with a support through a screw, one side outer wall of the support is fixed with an extending plate through a screw, two side outer walls of the support are fixed with a return spring through screws, one end of the return spring is respectively connected with one side outer walls of the first cleaning arm and the connecting plate through screws, the cleaning device comprises a first cleaning arm and is characterized in that a shifting mechanism is arranged on the outer wall of one side of the first cleaning arm, a fixing plate is arranged on the outer wall of one side of the first cleaning arm, a storage battery and a water tank are connected to the outer wall of the top of the fixing plate through screws, a suspension arm is fixed to the outer wall of the top of the first cleaning arm through bolts, and a flushing mechanism is arranged at the top of the suspension arm.
As a still further scheme of the invention: the poking mechanism comprises a supporting plate, the outer wall of the top of the supporting plate is connected with a threaded rod through a bearing, and the top end of the threaded rod is connected with a driving plate through a screw.
As a still further scheme of the invention: the toggle mechanism comprises a connecting plate, the outer wall of one side of the connecting plate is connected with a worm through a bearing, and one end of the worm is fixed with a wheel through a screw.
As a still further scheme of the invention: the worm and the threaded rod form meshing transmission.
As a still further scheme of the invention: the outer wall of the bottom of the cleaning brush is provided with brush hair.
As a still further scheme of the invention: the washing mechanism comprises a water pump, a water pipe is sleeved on the outer wall of the top of the water pump, and the water pipe is fixed on the outer wall of the top of the suspension arm through a screw.
As a still further scheme of the invention: the one end of water pipe has cup jointed the shunt tubes, the through-hole has been seted up to the outer wall of shunt tubes, and the inner wall of through-hole has cup jointed universal pipe, the bottom of universal pipe is fixed with the sprinkler bead through the screw.
As a still further scheme of the invention: one end of the steel wire is fixedly connected with a reel, and the reel is fixed on the ground through a screw.
As a still further scheme of the invention: the ground of plant has seted up the circulation groove, circulation groove and push pedal block.
1. By arranging the wheels, the worm, the threaded rod, the driving plate, the extending plate, the support, the reset spring and the sliding groove, the wheels rotate in the advancing process, the rotating wheels drive the worm to rotate, the threaded rod is driven to rotate through the meshing effect, the driving plate is further driven to rotate, the extending plate is driven to rotate through the driving plate, the support is further driven to slide in the sliding groove through the sliding block, the support drives the cleaning brush arranged at the bottom to generate transverse vibration in the advancing process of the following equipment, the hardened cow dung is scrubbed by effectively utilizing kinetic energy generated in advancing, and the cleaning effect on the cow shed is improved;
2. the water tank, the water pump, the water pipe, the shunt pipe, the universal pipe and the water spraying head are arranged, the water spraying head can be adjusted to any angle through the universal pipe, water flow is pressurized through the water pump and is flushed to the ground through the water spraying head, the hardened cow dung on the ground is softened, and the efficiency of the first sweeping arm and the second sweeping arm for collecting the cow dung is assisted;
3. the device has the advantages that the first cleaning arm, the second cleaning arm, the fastening bolt and the guide wheel are arranged, the first cleaning arm and the second cleaning arm are rotated to adjust the opening width of the whole device, and the angle is fixed through the fastening bolt, so that the device can meet the use requirements of cowsheds with different sizes, and the practicability of the device is improved;
4. through setting up baffle, first cleaning arm and second cleaning arm are the inclined plane design, and the cooperation baffle uses, promotes the cow dung volume that can clear up at every turn, and the convenient a large amount of cow dung of inclined plane design is to middle gathering, and the cleaning efficiency is high.
Drawings
FIG. 1 is a perspective view of a push plate part of a cleaning device for beef cattle manure matching provided by the invention;
FIG. 2 is a perspective view of a return spring portion of a cleaning device for beef cattle manure;
FIG. 3 is a perspective view of a worm portion of the cleaning device for beef cattle manure;
FIG. 4 is a perspective view of a boom portion of a beef cattle manure mating cleaning device in accordance with the present invention;
FIG. 5 is a perspective view of a water tank portion of a cleaning device for beef cattle manure;
fig. 6 is a perspective view of a cleaning device for beef cattle manure.
In the figure: the cleaning device comprises a first cleaning arm 1, a second cleaning arm 2, a sliding groove 3, a baffle 4, a push plate 5, a fastening bolt 6, a guide wheel 7, a guide rod 8, a steel wire 9, a bracket 10, an extension plate 11, a return spring 12, a support plate 13, a threaded rod 14, a worm 15, a wheel 16, a driving plate 17, a connecting plate 18, a cleaning brush 19, a water pump 20, a water pipe 21, a suspension arm 22, a shunt pipe 23, a universal pipe 24, a sprinkler head 25, a storage battery 26, a water tank 27 and a circulation groove 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a beef cattle manure matching cleaning device comprises a first cleaning arm 1, a connecting plate 18 and a cleaning brush 19, wherein one side outer wall of the first cleaning arm 1 is connected with a second cleaning arm 2 through a bearing, the top outer walls of the second cleaning arm 2 and the first cleaning arm 1 are connected with a fastening bolt 6 through a bolt, one side outer wall of the first cleaning arm 1 is fixed with a guide rod 8 through a bolt, the bottom outer wall of the guide rod 8 is provided with a pulley, one side outer wall of the guide rod 8 is fixed with a steel wire 9 through a screw, one side outer wall of the first cleaning arm 1 is fixed with a push plate 5 through a bolt, one side outer wall of the first cleaning arm 1 is provided with a chute 3, the inner wall of the chute 3 is connected with a sliding block in a sliding manner, one side outer wall of the sliding block is fixed with a bracket 10 through a screw, one side outer wall of the bracket 10 is fixed with an extension plate 11 through a screw, two side outer walls of the bracket 10 are fixed with a return spring 12 through a screw, one end of the reset spring 12 is connected with the outer wall of one side of the first cleaning arm 1 and the outer wall of one side of the connecting plate 18 through screws respectively, the outer wall of one side of the first cleaning arm 1 is provided with a toggle mechanism, the outer wall of one side of the first cleaning arm 1 is provided with a fixing plate, the outer wall of the top of the fixing plate is connected with a storage battery 26 and a water tank 27 through screws, the outer wall of the top of the first cleaning arm 1 is fixed with a suspension arm 22 through bolts, and the top of the suspension arm 22 is provided with a flushing mechanism.
In the invention, the toggle mechanism comprises a support plate 13, the outer wall of the top of the support plate 13 is connected with a threaded rod 14 through a bearing, and the top end of the threaded rod 14 is connected with a dial 17 through a screw.
In the invention, the toggle mechanism comprises a connecting plate 18, the outer wall of one side of the connecting plate 18 is connected with a worm 15 through a bearing, and one end of the worm 15 is fixed with a wheel 16 through a screw.
In the invention, the worm 15 and the threaded rod 14 form a meshing transmission.
In the invention, the outer wall of the bottom of the cleaning brush 19 is provided with bristles.
According to the invention, the flushing mechanism comprises a water pump 20, a water pipe 21 is sleeved on the outer wall of the top of the water pump 20, and the water pipe 21 is fixed on the outer wall of the top of the suspension arm 22 through a screw.
In the invention, one end of a water pipe 21 is sleeved with a shunt pipe 23, the outer wall of the shunt pipe 23 is provided with a through hole, the inner wall of the through hole is sleeved with a universal pipe 24, and the bottom end of the universal pipe 24 is fixed with a sprinkler bead 25 through a screw.
In the invention, one end of the steel wire 9 is fixedly connected with a reel, and the reel is fixed on the ground through a screw.
In the invention, the ground of the farm is provided with a circulation groove 28, and the circulation groove 28 is clamped with the push plate 5.
When in use, the device is installed, the push plate 5 is placed in the circulation groove 28, the device is positioned at the innermost side of the cowshed, the steel wire 9 is discharged, a winch for collecting and releasing the steel wire is placed at the far end, the angle between the first cleaning arm 1 and the second cleaning arm 2 is adjusted according to the width in the cowshed, finally, the angle of the first cleaning arm 1 and the angle of the second cleaning arm 2 which are adjusted to be well fixed through the fastening bolt 6 are fixed, the water spraying direction of the water spraying head 25 is adjusted through the universal pipe 24 in advance, the water pump 20 is started to pump water, the pumped water reaches the shunt pipe 23 through the water pipe and is finally sprayed out through the water spraying head 25, hardened excrement is washed and softened, the winch at the far end is started to withdraw the steel wire 9, the first cleaning arm 1, the second cleaning arm 2 and the whole device are driven to move towards one end through the steel wire 9, the wheels 16 rotate in the advancing process of the device, pivoted wheel drives worm 15 and rotates, drive threaded rod 14 through the meshing effect and rotate, and then make driver plate 17 rotate, driver plate 17 rotates to stir and stretches board 11 and then make support 11 produce the slip in spout 3 through the slider, drive the in-process that the sweeper brush 19 that the bottom set up was marchd along equipment through support 10, can produce horizontal vibration, effectively utilize the kinetic energy of marching to scrub ground, promote the clearance effect to cow dung, the first arm 1 that cleans and second arm 2 that cleans of marching in-process gathers cow dung to middle runner channel 28, cow dung in the final runner channel 28 is impeld forward by push pedal 5, accomplish the concentrated collection of cow dung, and accomplish the clearance to ground, this equipment can realize the intensive cleaning to cow house ground through 2-3 times of operation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (6)
1. A beef cattle manure matched cleaning device comprises a first cleaning arm (1), a baffle (4), a connecting plate (18) and a cleaning brush (19), and is characterized in that the outer wall of one side of the first cleaning arm (1) is connected with a second cleaning arm (2) through a bearing, the outer walls of the tops of the second cleaning arm (2) and the first cleaning arm (1) are connected with a fastening bolt (6) through a bolt, the outer wall of one side of the first cleaning arm (1) is fixed with a guide rod (8) through a bolt, the outer wall of the bottom of the guide rod (8) is provided with a pulley, the outer wall of one side of the guide rod (8) is fixed with a steel wire (9) through a bolt, the outer wall of one side of the first cleaning arm (1) is fixed with a push plate (5) through a bolt, the outer wall of one side of the first cleaning arm (1) is provided with a chute (3), and the inner wall of the chute (3) is connected with a sliding block in a sliding manner, the outer wall of one side of the sliding block is fixed with a support (10) through screws, the outer wall of one side of the support (10) is fixed with a stretching plate (11) through screws, the outer wall of one side of the first cleaning arm (1) is provided with a shifting mechanism, the outer wall of one side of the first cleaning arm (1) is provided with a fixing plate, the outer wall of the top of the fixing plate is connected with a storage battery (26) and a water tank (27) through screws, the outer wall of the top of the first cleaning arm (1) is fixed with a suspension arm (22) through bolts, the top of the suspension arm (22) is provided with a flushing mechanism, the shifting mechanism comprises a support plate (13), the outer wall of the top of the support plate (13) is connected with a threaded rod (14) through a bearing, the top end of the threaded rod (14) is connected with a driving plate (17) through screws, the shifting mechanism comprises a connecting plate (18), and the outer wall of one side of the connecting plate (18) is connected with a worm (15) through a bearing, the one end of worm (15) is through the fix with screw wheel (16), worm (15) and threaded rod (14) form the meshing transmission, the both sides outer wall of support (10) is through the fix with screw reset spring (12), the one end of reset spring (12) passes through the screw connection with the outer wall of one side of first cleaning arm (1) and connecting plate (18) respectively, sweeper brush (19) are fixed in the bottom of support (10).
2. The beef cattle manure matched cleaning equipment as claimed in claim 1, wherein the outer wall of the bottom of the cleaning brush (19) is provided with bristles.
3. The beef cattle manure matched cleaning device as claimed in claim 1, wherein the flushing mechanism comprises a water pump (20), a water pipe (21) is sleeved on the outer wall of the top of the water pump (20), and the water pipe (21) is fixed on the outer wall of the top of the suspension arm (22) through screws.
4. The beef cattle manure matched cleaning equipment as claimed in claim 3, wherein one end of the water pipe (21) is sleeved with a shunt pipe (23), the outer wall of the shunt pipe (23) is provided with a through hole, the inner wall of the through hole is sleeved with a universal pipe (24), and the bottom end of the universal pipe (24) is fixed with a water spray head (25) through a screw.
5. The beef cattle manure matched cleaning equipment as claimed in claim 1, wherein one end of the steel wire (9) is fixedly connected with a reel, and the reel is fixed on the ground through a screw.
6. The beef cattle manure matched cleaning equipment as claimed in claim 1, wherein a circulation groove (28) is formed in the ground of a farm, and the circulation groove (28) is clamped with the push plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010754448.8A CN111903534B (en) | 2020-07-31 | 2020-07-31 | Beef cattle manure matched cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010754448.8A CN111903534B (en) | 2020-07-31 | 2020-07-31 | Beef cattle manure matched cleaning equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111903534A CN111903534A (en) | 2020-11-10 |
| CN111903534B true CN111903534B (en) | 2022-06-14 |
Family
ID=73286441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010754448.8A Active CN111903534B (en) | 2020-07-31 | 2020-07-31 | Beef cattle manure matched cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111903534B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018193464A1 (en) * | 2017-04-20 | 2018-10-25 | Jagdale Shankar Babaji | An enclosed raking machine |
| CN107616099B (en) * | 2017-10-23 | 2023-12-12 | 江苏新喜程生物科技有限公司 | Energy-saving cowshed capable of safely cleaning feces |
| CN108124774A (en) * | 2017-12-28 | 2018-06-08 | 五河县正晟牧业科技有限公司 | A kind of waste cleaning device of centralization cowboying house |
| CN111357658A (en) * | 2018-12-25 | 2020-07-03 | 孝昌县健富生态发展中心 | Cow dung cleaning device |
| CN209473284U (en) * | 2019-01-30 | 2019-10-11 | 青海大学 | A kind of pasture husbandry waste treatment apparatus |
| CN110521612A (en) * | 2019-09-11 | 2019-12-03 | 太湖县栗树农林生态发展有限公司 | It is a kind of to remove excrement cleaning device for livestock colony house |
-
2020
- 2020-07-31 CN CN202010754448.8A patent/CN111903534B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111903534A (en) | 2020-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205492045U (en) | Excrement clearing device for cow breeding | |
| CN210959843U (en) | Poultry is with automatic excrement device of scraping | |
| CN213639220U (en) | Pig house excrement and urine cleaning device | |
| CN210202825U (en) | Pig house pig manure cleaning device | |
| CN111903534B (en) | Beef cattle manure matched cleaning equipment | |
| CN106804437A (en) | A kind of cattle and sheep cultivate automatic pig manure cleaning device | |
| CN211607767U (en) | Automatic dung scraping plate | |
| CN212728392U (en) | Poultry is with pig canopy cleaning device | |
| CN212414343U (en) | A poultry manger for livestock-raising | |
| CN111512982B (en) | Rabbit excrement processing apparatus | |
| CN208129149U (en) | A kind of livestock-raising cowshed automatic cleaning apparatus | |
| CN211482371U (en) | Livestock-raising excrement and urine cleaning device | |
| CN108419690B (en) | Cowshed | |
| CN215302182U (en) | Cowshed cleaning device for cattle breeding | |
| CN215774775U (en) | Cowshed with automatic clearance function | |
| CN211353462U (en) | Cleaning device for livestock breeding | |
| CN215188483U (en) | New forms of energy farming equipment | |
| CN219679441U (en) | Intelligent cleaning device for livestock-raising cowshed | |
| CN109089899A (en) | A kind of rotatable pig cleaning device | |
| CN211379181U (en) | Badger house for badger breeding | |
| CN218043069U (en) | Portable cleaning device is used to cowshed | |
| CN218060679U (en) | Drainage ditch cleaning equipment in plant | |
| CN215123045U (en) | Novel clear excrement machine in vaccary | |
| CN219628566U (en) | Pig farm manure scraping device | |
| CN221670637U (en) | Cowshed with good ventilation effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220524 Address after: 417600 sang Zi Zhen Qian Cheng Cun, Xinhua County, Loudi City, Hunan Province Applicant after: Xinhua County Qiancheng ecological cattle raising Co.,Ltd. Address before: 300384 School of animal science and animal medicine, Tianjin Agricultural University, No. 22, Jinjing Road, Xiqing District, Tianjin Applicant before: Wang Dexian |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |