CN208317361U - Integrated multifunctional seed drill is irrigated and topdressed to a kind of collection - Google Patents
Integrated multifunctional seed drill is irrigated and topdressed to a kind of collection Download PDFInfo
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- CN208317361U CN208317361U CN201820432105.8U CN201820432105U CN208317361U CN 208317361 U CN208317361 U CN 208317361U CN 201820432105 U CN201820432105 U CN 201820432105U CN 208317361 U CN208317361 U CN 208317361U
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- water
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- irrigated
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Abstract
The utility model discloses a kind of collection and irrigates and topdress integrated multifunctional seed drill, including rotary cultivator agricultural vehicle, seeding apparatus and fertilizer apparatus are installed on the rotary cultivator agricultural vehicle, hollow pipe irrigation rig is installed below fertilizer apparatus, several Irrigation shower heads are set on hollow pipe irrigation rig, hollow pipe irrigation rig upper end side wall connects water-supply-pipe, and water-supply-pipe connects suction pump, suction pump connects water inlet pipe, and water inlet pipe is connect with water tank.The application structure is simple, novel in design, in the course of work, farmland fertilization and seeding operation can be disposably completed by seeding apparatus and fertilizer apparatus, effectively improve working efficiency, pass through the kind cave of precision drilling belt surface in seeding process, it can reach smart seed-fetching purpose, water to the seed sowed, be conducive to seed and absorb water in time germination；Change and pour water or wait until that ahead of time rainy season implantation time limits, can reduce labor intensity, improve farm labor efficiency, enhancing overcomes the ability of natural calamity.
Description
Technical field
The utility model relates to a kind of seeders, and particularly integrated multifunctional sowing is irrigated and topdressed to a kind of collection
Machine belongs to technical field of agricultural machinery.
Background technique
Usually, mechanization of agriculture refers to that agricultural generally uses machine, is from using hand tools, animal-drawn farm implements to be changed into
One of important content of agricultural modernization.To the maximum extent using various mechanical instead of hand tools progress in agriculture each department
Production.One of basic content of agricultural modernization.Such as in planting industry, tractor, seeder, harvester, power irrigation and drainage are used
Machine, motor vehicles etc. carry out every operation such as ploughing soil, sowing, harvesting, irrigation, field management, transport, make all to produce
Journey relies primarily on machine power and electric power, rather than relies on manpower, animal power to complete.
At seeding time will on the soil ridge Shang Da of scarifying, then by trench digging, sowing, earthing, compression process.By
In the backwardness of traditional agriculture, most of peasant is still completed using very original by livestock and manual work at present, peasant
Labor intensity it is very big, and production efficiency is low, wastes a large amount of time and manpower.Currently, seeder available on the market
It is commonly large-scale seeder, since its is bulky, expensive, one family is unbearable, in addition, large-scale seeding machinery pair
It is helpless for the soil of block of cells.
Therefore, a kind of functional reliability height need to be developed and what work efficiency is high is the key that solve above-mentioned technical problem institute
?.
Summary of the invention
For many shortcomings and deficiencies present in above-mentioned background technique, the utility model is improved and has been created to this
Newly, and it is an object of the present invention to provide one kind can be realized disposable completion farmland fertilization and seeding operation, working efficiency is effectively improved,
The kind cave for passing through precision drilling belt surface in seeding process, can reach smart seed-fetching purpose.
Another goal of the invention of the utility model, which is that by, waters to the seed sowed, and it is timely to be conducive to seed
Water suction germination；Change ahead of time pour water or wait until rainy season plantation etc. time restrictions.
In order to solve the above problem and reach above-mentioned goal of the invention, a kind of collection of the utility model is irrigated and topdressed integrated
Multifunctional seed drill is realized by using following design structure and using following technical solution:
The improvement of integrated multifunctional seed drill, the multifunctional sowing are irrigated and topdressed as a kind of collection of the utility model
Machine includes rotary cultivator agricultural vehicle (1), and the work that matches with rotary cultivator agricultural vehicle (1) is equipped on the rotary cultivator agricultural vehicle (1)
Seeding apparatus (2) and connected fertilizer apparatus (3), be equipped with below fertilizer apparatus (3) hollow pipe filling
Irrigate device (4), the front end side wall of hollow pipe irrigation rig (4) is equipped with several Irrigation shower heads (5), Irrigation shower head (5) to
Under extend at the seed feed opening of seeding apparatus (2)；The upper end side wall of hollow pipe irrigation rig (4) connects water-supply-pipe (6)
One end, water-supply-pipe (6) other end connect suction pump (7) one end, and suction pump (7) other end connects water inlet pipe (8), water inlet pipe (8)
It is connect with water tank (9), water tank (9) is removably mounted on rotary cultivator agricultural vehicle (1), at seeding time hollow pipe irrigation rig
(4) it works with seeding apparatus (2) same frequency, water outlet is set as manual opening-closing mode, water is delivered to pipe by suction pump (7)
In road, artificial adjustment cleaning.
The improvement above-mentioned as the utility model, the seeding apparatus (2) include mounting rack (21) and are separately mounted to
Seed ditching plow, precision drilling band (22), coverer and seed-box (23) and driving wheel (24) on the mounting rack (21),
In, seed-box (23) are equipped at the top of seeding apparatus (2), precision drilling band (22) are installed below seed-box (23),
Sowing pipe is equipped in the lower section of precision drilling band (22).
The further improvement above-mentioned as the utility model, the precision drilling band (22) connect electricity by running part
Machine；Precision drilling band (22) and the seed feed opening of seed-box (23), which are in close contact, to be connected；The driving wheel (24) drives sowing
Device (2) and fertilizer apparatus (3).
The further improvement above-mentioned as the utility model, the motor are frequency control motor；The running part
Either belt is used to be driven using chain drive；The precision drilling band (22) is cyclic structure, and the essence amount of cyclic structure is broadcast
The rule of surface of kind band (22) is staggered to be provided with kind of a cave, plants interference in cave and is equipped with cave set.
The further improvement above-mentioned as the utility model, the fertilizer apparatus (3) include fertilizer box (31) and set
It is placed in several feed openings, the fertilising pipe (32) being set to below feed opening and the plough of fertilizer box (31) bottom
(33), wherein be equipped in each feed opening and be respectively provided with blanking impeller, blanking impeller passes through fertilising pipe (32) and trench digging by feed opening
Device (33) connection.
The further improvement above-mentioned as the utility model, the fertilizer box (31) are integrally in rectangular parallelepiped structure；It is described
The fertilizer feed opening of fertilising pipe (32) and fertilizer box (31), which is in close contact, to be connected；The plough (33) generally V-structure.
Further improved again as the utility model is above-mentioned, the seeding apparatus (2) and the fertilizer apparatus (3) it
Between activity be set as by U-shaped fastener be detachably connected.
The again again further improvement above-mentioned as the utility model, is equipped with phase therewith in the opening of fertilizer box (31)
The upper cover (311) of adaptation, upper cover (311) are detachably arranged at the top of the top of fertilizer box (31).
As the utility model it is above-mentioned again be more further improved again, Irrigation shower head (5) water outlet is set as loudspeaker
Shape structure；It is equipped on water-supply-pipe (6) Water flow control valve (61), between Water flow control valve (61) and water-supply-pipe (6)
It is detachably connected for activity；The suction pump (7) is pressure water pump.
It is also more further improved as the utility model is above-mentioned, the water tank (9) generally cuboid is either just
Cube structure is equipped with compatible lid (91) therewith, lid on the cuboid either water tank (9) of cube structure
(91) it is detachably arranged at the top of the top of water tank (9).
Working principle is: a kind of collection of above-mentioned design structure, which irrigates and topdresses integrated multifunctional seed drill, to be made
With, needing to carry out it before, installation conduct is spare.
When installation, operator only needs can by the seeding apparatus (2) of the utility model design structure and fertilizer apparatus (3)
It is releasably mounted in the suspension mounting base of rotary cultivator agricultural vehicle (1) tail end, and simultaneously by hollow pipe irrigation rig (4), filling
It irrigates spray head (5), water-supply-pipe (6), suction pump (7), water inlet pipe (8) and water tank (9) and carries out installation as spare.
When work, rotary cultivator agricultural vehicle (1) pushes rotary cultivator agricultural vehicle (1) to work, when traveling, driving wheel (24) band
Dynamic seeding apparatus (2) and fertilizer apparatus (3) work, to carry out seeding and fertilizing, operating personnel can be sat on the seat, from rear
The case where watching sowing and fertilising, subsequent coverer carries out earthing, according to sowing plot and seed, the thickness of adjustable earthing
Degree, makes its sowing reach optimization.
In above-mentioned implementation process, since precision drilling band (22) and the seed feed opening of seed-box (23) closely connect
Touching, it may be assumed that precision drilling band (22) forms the seed feed opening of seed-box (23) and blocks；Seed nature cloth in seed-box (23)
Precision drilling band (22) surface in full feed opening, and kind of a cave is filled up, with the rotation of precision drilling band (22), work as precision drilling
Band (22) be when will remove seed-box (23), the exposed seed outside kind of cave under the blocking at seed-box (23) feed opening edge not
It can take out of, could be only carried over the rotation of precision drilling band (22) completely into the seed in kind of cave, be achieved in smart measurement
The purpose of kind.Seed-bearing kind to be installed when entering the lower part that driving pulley circular arc turns to precision drilling band (22), kind at this time
Downward, seed falls naturally for cave port, thus accurately enter in the seed furrow that previous seed plough (33) is outputed, it is thus real
The purpose of existing precision drilling；At the same time, the Irrigation shower head (5) of hollow pipe irrigation rig (4) front end is sprayed water simultaneously, with
Afterwards, coverer closes up dressing furrow and seed furrow both sides soil into ditch, completes the burial of fertilizer and seed, thus completes fertilising
With the entire operation process of precision drilling.
In above-mentioned implementation process, since interference is equipped with cave set in the kind cave of the seeder, by replacing different appearances
The cave of chamber size covers, and can determine kind of cave takes kind of an amount, while being also suitable for the seed sowing of Different Crop.And since essence amount is broadcast
The rule of surface of kind band (22) is staggered to be provided with kind of a cave, therefore after seed sprouting, can be reduced mutual shading, is conducive to mutually
Between ventilation, and then improve photosynthesis, improve crop yield.
Utility model has the following beneficial effects compared with the prior art: the seeder structure is simple, novel in design,
It solves existing precision drilling and relies primarily on artificial progress program request, there are low efficiency, large labor intensity, operation quality difference etc. are many
Problem.To crop yield is improved, seed dosage is reduced, reducing planting cost has positive dissemination.This kind of seeder exists
It can be widely applied in agricultural production.Reducing planting cost has positive dissemination, solves carrying out to greatest extent
When Mechanization sowing, elevating mechanismization is horizontal；It waters simultaneously to the seed sowed, is conducive to seed and absorbs water in time germination；
Change ahead of time pour water or wait until rainy season plantation etc. time restrictions.This kind of seeder can be widely applied in agricultural production,
Meanwhile this seeder sustainable working time is longer, precisely solves seed and pours water problems.It is poured while mechanical planting
Water saves the hand labor time, improves work efficiency, and can install on large, medium and small mechanical seeder, and can be extensive
Using, realize the mechanization of farm work, labour can be saved, reduced labor intensity, improve farm labor efficiency, enhancing overcome from
The ability of right disaster.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is one of overall structure diagram of the utility model；
Fig. 2 is the two of the overall structure diagram of the utility model；
Fig. 3 is the three of the overall structure diagram of the utility model；
Fig. 4 is the four of the overall structure diagram of the utility model；
The usage state diagram of Fig. 5 the utility model；
Wherein, figure label: 1-rotary cultivator agricultural vehicle；
2-seeding apparatus, 21-mounting racks, 22-precision drilling bands, 23-seed-boxes, 24-driving wheels；
3-fertilizer apparatuses, 31-fertilizer boxes, 311-upper covers, 32-fertilising pipes, 33-ploughs；
4-hollow pipe irrigation rigs；
5-Irrigation shower heads；
6-water-supply-pipes, 61-control valves；
7-suction pumps；
8-water inlet pipes；
9-water tanks, 91-lids.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Further detailed description is made to the technical solution of the utility model in conjunction with attached drawing and specific embodiment in face.
Integrated multifunctional seed drill is irrigated and topdressed to a kind of collection as shown in Figure of description 1 to Figure of description 5,
The multifunctional seed drill includes rotary cultivator agricultural vehicle 1, is equipped on the rotary cultivator agricultural vehicle 1 and matches with rotary cultivator agricultural vehicle 1
The seeding apparatus 2 and connected fertilizer apparatus 3 for covering work are equipped with hollow pipe in the lower section of fertilizer apparatus 3 and fill
Device 4 is irrigate, the front end side wall of hollow pipe irrigation rig 4 is equipped with several Irrigation shower heads 5, and Irrigation shower head 5 extends downward into
At the seed feed opening of seeding apparatus 2；The upper end side wall of hollow pipe irrigation rig 4 connects 6 one end of water-supply-pipe, and water-supply-pipe 6 is another
One end connects 7 one end of suction pump, and 7 other end of suction pump connects water inlet pipe 8, and water inlet pipe 8 is connect with water tank 9, and water tank 9 is removably
It is mounted on rotary cultivator agricultural vehicle 1, hollow pipe irrigation rig 4 and 2 same frequency of seeding apparatus work at seeding time, and water outlet is set
It is set to manual opening-closing mode, water is delivered in pipeline by suction pump 7, artificial adjustment cleaning.
Further, seeding apparatus 2 include mounting rack 21 and be separately mounted on the mounting rack 21 seed ditching plow,
Precision drilling band 22, coverer and seed-box 23 and driving wheel 24, wherein it is equipped with seed-box 23 at the top of seeding apparatus 2,
Precision drilling band 22 is installed in the lower section of seed-box 23, is equipped with sowing pipe in the lower section of precision drilling band 22.
Specifically, precision drilling band 22 connects motor by running part；The kind of precision drilling band 22 and seed-box (23)
Sub- feed opening is in close contact connection；The driving wheel 24 drives seeding apparatus 2 and fertilizer apparatus 3.
Further, motor is frequency control motor；The running part either uses belt to pass using chain drive
It is dynamic；The precision drilling band 22 is cyclic structure, and the rule of surface of the precision drilling band 22 of cyclic structure is staggered to be provided with kind
Cave plants interference in cave and is equipped with cave set.
Further, fertilizer apparatus 3 include fertilizer box 31 and be set to 31 bottom of fertilizer box several feed openings,
The fertilising pipe 32 and plough 33 being set to below feed opening, wherein it is equipped in each feed opening and is respectively provided with blanking impeller, under
Material impeller is connected to by fertilising pipe 32 with plough 33 by feed opening.
Specifically, it is in rectangular parallelepiped structure that fertilizer box 31 is whole；The fertilising pipe 32 and the fertilizer blanking of fertilizer box 31 are tight-lipped
Close contact connectio；The plough 33 generally V-structure.
Further, activity is set as by U-shaped fastener between seeding apparatus 2 and the fertilizer apparatus 3 to be detachably connected.
Specifically, the opening in fertilizer box 31 is equipped with compatible upper cover 311 therewith, upper cover 311 is removably pacified
At the top of the top of fertilizer box 31.
Further, 5 water outlet of Irrigation shower head is set as horn-like structure；Water flow control is installed on water-supply-pipe 6
Valve 61 is that activity is detachably connected between Water flow control valve 61 and water-supply-pipe 6；The suction pump 7 is pressure water pump.
Further, the generally cuboid of water tank 9 either cube structure, in the cuboid either cube structure
Water tank 9 on compatible lid 91 therewith is installed, lid 91 is detachably arranged at the top of the top of water tank 9.
A kind of collection of above-mentioned design structure irrigates and topdresses integrated multifunctional seed drill before carrying out use, needs
Installation is carried out to it as spare.
When installation, operator only needs the seeding apparatus 2 of the utility model design structure and fertilizer apparatus 3 is detachable
Ground is mounted in the suspension mounting base of 1 tail end of rotary cultivator agricultural vehicle, and simultaneously by hollow pipe irrigation rig 4, Irrigation shower head 5,
Water-supply-pipe 6, suction pump 7, water inlet pipe 8 and water tank 9 carry out installation as spare.
When work, rotary cultivator agricultural vehicle 1 pushes rotary cultivator agricultural vehicle 1 to work, and when traveling, driving wheel 24 drives sowing
Device 2 and fertilizer apparatus 3 work, to carry out seeding and fertilizing, operating personnel can sit on the seat, from rear watch sowing and
The case where fertilising, subsequent coverer carry out earthing, broadcast it according to sowing plot and seed, the thickness of adjustable earthing
Kind reaches optimization.
In above-mentioned implementation process, since the seed feed opening of precision drilling band 22 and seed-box 23 is in close contact, it may be assumed that
Precision drilling band 22 forms the seed feed opening of seed-box 23 and blocks；Seed in seed-box 23 is covered in feed opening naturally
22 surface of precision drilling band, and kind of a cave is filled up, with the rotation of precision drilling band 22, when precision drilling band 22 will remove seed
When case 23, the exposed seed outside kind of cave cannot be taken out of under the blocking at 23 feed opening edge of seed-box, only completely into kind
The seed in cave could be carried over the rotation of precision drilling band 22, be achieved in the purpose of smart seed-fetching.Seed-bearing kind to be installed
When entering the lower part that driving pulley circular arc turns to precision drilling band 22, downward, seed falls naturally for kind cave port at this time, from
And accurately enter in the seed furrow that previous seed plough 33 is outputed, it is achieved in the purpose of precision drilling；At the same time, empty
The Irrigation shower head 5 of 4 front end of heart pipeline irrigation device is sprayed water simultaneously, and then, coverer is native by dressing furrow and seed furrow both sides
Earth closes up into ditch, completes the burial of fertilizer and seed, thus completes the entire operation process of fertilising and precision drilling.
In above-mentioned implementation process, since interference is equipped with cave set in the kind cave of the seeder, by replacing different appearances
The cave of chamber size covers, and can determine kind of cave takes kind of an amount, while being also suitable for the seed sowing of Different Crop.And since essence amount is broadcast
The rule of surface of kind band 22 is staggered to be provided with kind of a cave, therefore after seed sprouting, can be reduced mutual shading, is conducive to each other
Ventilation, and then improve photosynthesis, improve crop yield.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, is not to this
Utility model makees the limitation of other forms, and any person skilled in the art adds possibly also with the technology contents of the disclosure above
To change or be modified as equivalent variations of equivalent embodiments.But it is all without departing from the content of the technical scheme of the utility model, foundation
The technical essence of the utility model any simple modification, equivalent variations and remodeling to the above embodiments, still fall within this reality
With the protection scope of new technique scheme.
Claims (10)
1. integrated multifunctional seed drill is irrigated and topdressed to a kind of collection, it is characterised in that: the multifunctional seed drill includes rotary tillage
Machine agricultural vehicle (1) is equipped with the seeding apparatus for the work that matches with rotary cultivator agricultural vehicle (1) on the rotary cultivator agricultural vehicle (1)
(2) and connected fertilizer apparatus (3) hollow pipe irrigation rig (4), are installed below fertilizer apparatus (3),
The front end side wall of hollow pipe irrigation rig (4) is equipped with several Irrigation shower heads (5), and Irrigation shower head (5), which extends downward into, to be broadcast
At the seed feed opening of kind device (2)；The upper end side wall of hollow pipe irrigation rig (4) connects water-supply-pipe (6) one end, water-supply-pipe
(6) other end connects suction pump (7) one end, and suction pump (7) other end connects water inlet pipe (8), and water inlet pipe (8) and water tank (9) are even
It connects, water tank (9) is removably mounted on rotary cultivator agricultural vehicle (1), and hollow pipe irrigation rig (4) and sowing fill at seeding time
The work of (2) same frequency is set, water outlet is set as manual opening-closing mode, water is delivered in pipeline by suction pump (7), artificial to adjust
Control cleaning.
2. integrated multifunctional seed drill is irrigated and topdressed to a kind of collection according to claim 1, it is characterised in that: described
Seeding apparatus (2) includes mounting rack (21) and the seed ditching plow being separately mounted on the mounting rack (21), precision drilling band
(22), coverer and seed-box (23) and driving wheel (24), wherein seed-box (23) are equipped at the top of seeding apparatus (2),
Precision drilling band (22) are installed below seed-box (23), are equipped with sowing pipe in the lower section of precision drilling band (22).
3. integrated multifunctional seed drill is irrigated and topdressed to a kind of collection according to claim 2, it is characterised in that: described
Precision drilling band (22) connects motor by running part；Precision drilling band (22) and the seed feed opening of seed-box (23) are close
It connects；The driving wheel (24) drives seeding apparatus (2) and fertilizer apparatus (3).
4. integrated multifunctional seed drill is irrigated and topdressed to a kind of collection according to claim 3, it is characterised in that: described
Motor is frequency control motor；The running part either uses belt to be driven using chain drive；The precision drilling band
It (22) is cyclic structure, the rule of surface of the precision drilling band (22) of cyclic structure is staggered to be provided with kind of a cave, plants interference in cave
Cave set is installed.
5. integrated multifunctional seed drill is irrigated and topdressed to a kind of collection according to claim 1, it is characterised in that: described
Fertilizer apparatus (3) includes fertilizer box (31) and several feed openings for being set to fertilizer box (31) bottom, is set to blanking
Fertilising pipe (32) and plough (33) below mouthful, wherein be equipped in each feed opening and be respectively provided with blanking impeller, blanking impeller
It is connected to by fertilising pipe (32) with plough (33) by feed opening.
6. integrated multifunctional seed drill is irrigated and topdressed to a kind of collection according to claim 5, it is characterised in that: described
Fertilizer box (31) is integrally in rectangular parallelepiped structure；The fertilizer feed opening of the fertilising pipe (32) and fertilizer box (31), which is in close contact, to be connected
It connects；The plough (33) generally V-structure.
7. integrated multifunctional seed drill is irrigated and topdressed to a kind of collection according to claim 1, it is characterised in that: described
Activity is set as by U-shaped fastener between seeding apparatus (2) and the fertilizer apparatus (3) to be detachably connected.
8. integrated multifunctional seed drill is irrigated and topdressed to a kind of collection according to claim 6, it is characterised in that: in fertilizer
The opening of hopper (31) is equipped with compatible upper cover (311), upper cover (311) therewith and is detachably arranged in fertilizer box (31)
Top at the top of.
9. integrated multifunctional seed drill is irrigated and topdressed to a kind of collection according to claim 1, it is characterised in that: described
Irrigation shower head (5) water outlet is set as horn-like structure；Water flow control valve (61), water flow are installed on water-supply-pipe (6)
It is that activity is detachably connected between control valve (61) and water-supply-pipe (6)；The suction pump (7) is pressure water pump.
10. integrated multifunctional seed drill is irrigated and topdressed to a kind of collection according to claim 1, it is characterised in that: institute
Water tank (9) generally cuboid either cube structure is stated, is pacified on the cuboid either water tank (9) of cube structure
Equipped with compatible lid (91) therewith, lid (91) is detachably arranged at the top of the top of water tank (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820432105.8U CN208317361U (en) | 2018-03-28 | 2018-03-28 | Integrated multifunctional seed drill is irrigated and topdressed to a kind of collection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820432105.8U CN208317361U (en) | 2018-03-28 | 2018-03-28 | Integrated multifunctional seed drill is irrigated and topdressed to a kind of collection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208317361U true CN208317361U (en) | 2019-01-04 |
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ID=64783811
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820432105.8U Expired - Fee Related CN208317361U (en) | 2018-03-28 | 2018-03-28 | Integrated multifunctional seed drill is irrigated and topdressed to a kind of collection |
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| Country | Link |
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| CN (1) | CN208317361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112690056A (en) * | 2021-01-18 | 2021-04-23 | 乐锐 | Agricultural is with ploughing seeder |
-
2018
- 2018-03-28 CN CN201820432105.8U patent/CN208317361U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112690056A (en) * | 2021-01-18 | 2021-04-23 | 乐锐 | Agricultural is with ploughing seeder |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20210328 |