CN212493449U - Wheat breeding is with seed selection device - Google Patents
Wheat breeding is with seed selection device Download PDFInfo
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- CN212493449U CN212493449U CN202020628024.2U CN202020628024U CN212493449U CN 212493449 U CN212493449 U CN 212493449U CN 202020628024 U CN202020628024 U CN 202020628024U CN 212493449 U CN212493449 U CN 212493449U
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Abstract
The utility model relates to the technical field of wheat seed selection, in particular to a seed selection device for wheat breeding, which aims to overcome the defects of the prior art and provide a seed selection device for wheat breeding, which can improve the seed selection efficiency and the seed selection precision; it includes first box, second box and controlling means, its characterized in that: the first box body is communicated with the second box body, and a fishing box, a stirring device, a first filter screen and an inclined plate are sequentially arranged in the first box body from top to bottom; a second filter screen, a third filter screen and an inclined plane are sequentially arranged in the second box body from top to bottom; the beneficial effects are that: filtering the unsaturated wheat and sundries floating on the water surface through a salvage box, and filtering the sunk small crushed stones through a first filter screen; filtering the large stones through a second filter screen; filtering the floating objects through a fifth filter screen; and filtering the water through a third filter screen to finally obtain full and impurity-free high-quality wheat seeds.
Description
Technical Field
The utility model relates to a wheat seed selection technical field specifically is a wheat breeding is with seed selection device.
Background
The quality of wheat seeds directly influences the yield of wheat, so the wheat seed selection is particularly important, and varieties are selected according to local nature and cultivation conditions, so that good varieties are matched, and good varieties and good methods are pushed together.
The breeding is a technology for cultivating a new variety of excellent animals and plants by creating genetic variation and improving genetic characteristics. The method comprises the following steps of selecting seeds for wheat breeding, wherein the conventional seed selection mode is salt water seed selection, namely, seeds are placed in salt water with a certain concentration, good seeds and bad seeds are separated by buoyancy, and the buoyancy of the salt water is larger than that of fresh water, so that some unsaturated seeds can float. But the sundries on the upper layer of the existing seed selection device are not easy to take out, and need to be manually salvaged out little by little, so that the labor intensity is high.
In view of the above-mentioned deficiencies of the prior art, a seed selection device for wheat breeding is urgently needed to be researched.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide a wheat breeding is with seed selection device, it can improve seed selection efficiency and seed selection precision.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
the utility model provides a wheat breeding is with seed selection device, includes first box 1, second box 2 and controlling means 26, the bottom of first box 1 is equipped with landing leg 22, its characterized in that: the first box body 1 is communicated with the second box body 2, and the first box body 1 and the second box body 2 are of structures with open tops; a salvaging box 3, a stirring device 8, a first filter screen 9 and an inclined plate 10 are sequentially arranged in the first box body 1 from top to bottom, and a first discharge hole 101 and a second discharge hole 102 which respectively correspond to the first filter screen 9 and the inclined plate 10 are formed in the box wall of the first box body 1; a second filter screen 15, a third filter screen 16 and an inclined plane 21 are sequentially arranged in the second box body 2 from top to bottom, and a third discharge hole 202, a fourth discharge hole 203 and a water outlet pipe 23 which correspond to the second filter screen 15, the third filter screen 16 and the inclined plane 21 are arranged on the box wall of the second box body 2.
The upper surface and the lower surface of the fishing box 3 are both of an open structure, the outer wall of the fishing box 3 is connected with the inner wall of the first box body 1 in a sliding mode, a lifting device is installed between the top of the fishing box 3 and the first box body 1, and a filtering structure is installed at the bottom of the fishing box 3.
The inner wall of the first box body 1 is provided with a slide way 103, and the outer wall of the salvaging box 3 is provided with a slide bar 302 matched with the slide way 103.
An opening at the top of the fishing box 3 is provided with an edge 301, and a hydraulic cylinder 25 is arranged between the edge 301 and the top of the box wall of the first box body 1.
The filtering structure comprises a first storage box 6 and a second storage box 7 which are arranged at the bottom of the fishing box 3, wherein a first rotating shaft 27 is arranged in the first storage box 6, two ends of the first rotating shaft 27 are connected to the wall of the fishing box 3 through bearings, one end of the first rotating shaft 27 outside the first storage box 6 is connected with a first power device 4, a fourth filter screen 29 is wound on the first rotating shaft 27 in the first storage box 6, and one end of the fourth filter screen 29 is fixedly connected to the first rotating shaft 27; a second rotating shaft 28 is installed in the second storage box 7, two ends of the second rotating shaft 28 are connected to the wall of the salvaging box 3 through bearings, one end of the second rotating shaft 28 outside the second storage box 7 is connected with a second power device 5, a fifth filter screen 30 is wound on the second rotating shaft 28 in the second storage box 7, one end of the fifth filter screen 30 is fixedly connected to the second rotating shaft 28, and the other end of the fifth filter screen 30 is connected with a fourth filter screen 29; first guiding opening 601 has been seted up to the side of first storage box 6, first guiding opening 601 is used for wearing to be equipped with fourth filter screen 29, second guiding opening 701 has been seted up to the side of second storage box 7, second guiding opening 701 is used for wearing to establish fifth filter screen 30.
The first power device 4 comprises a first motor 401, the first motor 401 is installed at the top of the fishing box 3, a first belt pulley 402 is installed on an output shaft of the first motor 401, the first belt pulley 402 is connected with a second belt pulley 404 through a first belt 403, and the second belt pulley 404 is installed on the first rotating shaft 27; the second power device 5 comprises a second motor 501, the second motor 501 is installed at the top of the fishing box 3, a third belt pulley 502 is installed on an output shaft of the second motor 501, the third belt pulley 502 is connected with a fourth belt pulley 504 through a second belt 503, and the fourth belt pulley 504 is installed on the second rotating shaft 28.
The stirring device 8 comprises a third motor 801, an output shaft of the third motor 801 is connected with a third rotating shaft 802, two ends of the third rotating shaft 802 are connected to the wall of the first box body 1 through bearings, and a plurality of stirring teeth 803 are uniformly distributed on the third rotating shaft 802. And a sealing structure is arranged between the third rotating shaft 802 and the wall of the first box body 1.
The first filter screen 9 and the inclined plate 10 are obliquely arranged in the first box body 1, a first discharge hole 101 is formed in the box wall of the first box body 1 corresponding to the lower end of the first filter screen 9, a first discharge channel 11 is arranged on the first discharge hole 101, the other end of the first discharge channel 11 is connected to the second box body 2, a first feed hole 201 corresponding to the first discharge channel 11 is formed in the box wall of the second box body 2, and a first flashboard 12 is arranged on the first discharge channel 11; a second discharge hole 102 is formed in the wall of the first box body 1 corresponding to the lower end of the inclined plate 10, a second discharge channel 13 is mounted on the second discharge hole 102, and a second gate plate 14 is mounted on the second discharge channel 13; the second filter screen 15 and the third filter screen 16 are obliquely installed in the second box body 2, a third discharge hole 202 is formed in the box wall of the second box body 2 corresponding to the lower end of the second filter screen 15, a third discharge channel 17 is installed on the third discharge hole 202, a third gate plate 18 is installed on the third discharge channel 17, a fourth discharge hole 203 is formed in the box wall of the second box body 2 corresponding to the lower end of the third filter screen 16, a fourth discharge channel 19 is installed on the fourth discharge hole 203, and a fourth gate plate 20 is installed on the fourth discharge channel 19; and a water outlet pipe 23 is arranged on the wall of the second box body 2 corresponding to the lower end of the inclined surface 21, and a control valve 24 is arranged on the water outlet pipe 23.
The hydraulic cylinder 25, the first motor 401, the second motor 501 and the third motor 801 are electrically connected with the control device 26.
The mesh diameters of the fourth filter screen 29, the second filter screen 15, the first filter screen 9, the third filter screen 16 and the fifth filter screen 30 are reduced in sequence. The fourth filter screen 29 allows large stones, wheat and small gravels to pass through; the second filter screen 15 allows wheat to pass through but does not allow large stones to pass through; the first filter screen 9 allows small crushed stones to pass through; said third filter 16 does not allow wheat to pass; the fifth sieve 30 does not allow any floating objects to pass through. The beneficial effects of the utility model reside in that: the fishing box 3 filters the unsaturated wheat and sundries floating on the water surface, and the first filter screen 9 filters the sunk small crushed stones; large stones are filtered through a second filter screen 15; filtering the floating objects through a fifth filtering net 30; the water is filtered by a third filter 16. Finally obtaining the plump high-quality wheat seeds without impurities.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
fig. 4 is a sectional view taken along line a-a of fig. 3 according to the present invention;
fig. 5 is a partial enlarged view of the position D in fig. 4 according to the present invention;
fig. 6 is a sectional view taken along line B-B of fig. 3 according to the present invention;
fig. 7 is a cross-sectional view taken along line C-C of fig. 5 according to the present invention.
Shown in the figure: first box 1, second box 2, fishing box 3, first power device 4, second power device 5, first storage box 6, second storage box 7, stirring device 8, first filter screen 9, inclined plate 10, first discharging channel 11, first gate 12, second discharging channel 13, second gate 14, second filter screen 15, third filter screen 16, third discharging channel 17, third gate 18, fourth discharging channel 19, fourth gate 20, inclined surface 21, support leg 22, water outlet pipe 23, control valve 24, hydraulic cylinder 25, control device 26, first rotating shaft 27, second rotating shaft 28, fourth filter screen 29, fifth filter screen 30, first discharging port 101, second discharging port 102, slide way 103, first feeding port 201, third discharging port 202, fourth discharging port 203, edge 301, slide bar 302, first motor 401, first belt pulley 402, first belt 403, second belt pulley 404, a second motor 501, a third belt pulley 502, a second belt 503, a fourth belt pulley 504, a first guide opening 601, a second guide opening 701, a third motor 801, a third rotating shaft 802 and a stirring tooth 803.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
A kind of seed selection device for wheat breeding, as shown in figure 1 and figure 2, including the first box 1, the second box 2 and the controlling device 26, the bottom of the first box 1 has the landing leg 22, its characteristic is: the first box body 1 is communicated with the second box body 2, and the first box body 1 and the second box body 2 are of structures with open tops; a salvaging box 3, a stirring device 8, a first filter screen 9 and an inclined plate 10 are sequentially arranged in the first box body 1 from top to bottom, and a first discharge hole 101 and a second discharge hole 102 which respectively correspond to the first filter screen 9 and the inclined plate 10 are formed in the box wall of the first box body 1; a second filter screen 15, a third filter screen 16 and an inclined plane 21 are sequentially arranged in the second box body 2 from top to bottom, and a third discharge hole 202, a fourth discharge hole 203 and a water outlet pipe 23 which correspond to the second filter screen 15, the third filter screen 16 and the inclined plane 21 are arranged on the box wall of the second box body 2.
As shown in fig. 3-6, the upper surface and the lower surface of the fishing box 3 are both open structures, the outer wall of the fishing box 3 is connected with the inner wall of the first box body 1 in a sliding manner, a lifting device is arranged between the top of the fishing box 3 and the first box body 1, and a filtering structure is arranged at the bottom of the fishing box 3.
The inner wall of the first box body 1 is provided with a slide way 103, and the outer wall of the salvaging box 3 is provided with a slide bar 302 matched with the slide way 103.
An opening at the top of the fishing box 3 is provided with an edge 301, and a hydraulic cylinder 25 is arranged between the edge 301 and the top of the box wall of the first box body 1.
The filtering structure comprises a first storage box 6 and a second storage box 7 which are arranged at the bottom of the fishing box 3, wherein a first rotating shaft 27 is arranged in the first storage box 6, two ends of the first rotating shaft 27 are connected to the wall of the fishing box 3 through bearings, one end of the first rotating shaft 27 outside the first storage box 6 is connected with a first power device 4, a fourth filter screen 29 is wound on the first rotating shaft 27 in the first storage box 6, and one end of the fourth filter screen 29 is fixedly connected to the first rotating shaft 27; a second rotating shaft 28 is installed in the second storage box 7, two ends of the second rotating shaft 28 are connected to the wall of the salvaging box 3 through bearings, one end of the second rotating shaft 28 outside the second storage box 7 is connected with a second power device 5, a fifth filter screen 30 is wound on the second rotating shaft 28 in the second storage box 7, one end of the fifth filter screen 30 is fixedly connected to the second rotating shaft 28, and the other end of the fifth filter screen 30 is connected with a fourth filter screen 29; first guiding opening 601 has been seted up to the side of first storage box 6, first guiding opening 601 is used for wearing to be equipped with fourth filter screen 29, second guiding opening 701 has been seted up to the side of second storage box 7, second guiding opening 701 is used for wearing to establish fifth filter screen 30.
The first power device 4 comprises a first motor 401, the first motor 401 is installed at the top of the fishing box 3, a first belt pulley 402 is installed on an output shaft of the first motor 401, the first belt pulley 402 is connected with a second belt pulley 404 through a first belt 403, and the second belt pulley 404 is installed on the first rotating shaft 27; the second power device 5 comprises a second motor 501, the second motor 501 is installed at the top of the fishing box 3, a third belt pulley 502 is installed on an output shaft of the second motor 501, the third belt pulley 502 is connected with a fourth belt pulley 504 through a second belt 503, and the fourth belt pulley 504 is installed on the second rotating shaft 28.
The stirring device 8 comprises a third motor 801, an output shaft of the third motor 801 is connected with a third rotating shaft 802, two ends of the third rotating shaft 802 are connected to the wall of the first box body 1 through bearings, and a plurality of stirring teeth 803 are uniformly distributed on the third rotating shaft 802. And a sealing structure is arranged between the third rotating shaft 802 and the wall of the first box body 1.
The first filter screen 9 and the inclined plate 10 are obliquely arranged in the first box body 1, a first discharge hole 101 is formed in the box wall of the first box body 1 corresponding to the lower end of the first filter screen 9, a first discharge channel 11 is arranged on the first discharge hole 101, the other end of the first discharge channel 11 is connected to the second box body 2, a first feed hole 201 corresponding to the first discharge channel 11 is formed in the box wall of the second box body 2, and a first flashboard 12 is arranged on the first discharge channel 11; a second discharge hole 102 is formed in the wall of the first box body 1 corresponding to the lower end of the inclined plate 10, a second discharge channel 13 is mounted on the second discharge hole 102, and a second gate plate 14 is mounted on the second discharge channel 13; the second filter screen 15 and the third filter screen 16 are obliquely installed in the second box body 2, a third discharge hole 202 is formed in the box wall of the second box body 2 corresponding to the lower end of the second filter screen 15, a third discharge channel 17 is installed on the third discharge hole 202, a third gate plate 18 is installed on the third discharge channel 17, a fourth discharge hole 203 is formed in the box wall of the second box body 2 corresponding to the lower end of the third filter screen 16, a fourth discharge channel 19 is installed on the fourth discharge hole 203, and a fourth gate plate 20 is installed on the fourth discharge channel 19; and a water outlet pipe 23 is arranged on the wall of the second box body 2 corresponding to the lower end of the inclined surface 21, and a control valve 24 is arranged on the water outlet pipe 23.
The hydraulic cylinder 25, the first motor 401, the second motor 501 and the third motor 801 are electrically connected with the control device 26.
The mesh diameters of the fourth filter screen 29, the second filter screen 15, the first filter screen 9, the third filter screen 16 and the fifth filter screen 30 are reduced in sequence. The fourth filter screen 29 allows large stones, wheat and small gravels to pass through; the second filter screen 15 allows wheat to pass through but does not allow large stones to pass through; the first filter screen 9 allows small crushed stones to pass through; said third filter 16 does not allow wheat to pass; the fifth sieve 30 does not allow any floating objects to pass through.
The utility model discloses a working process does: firstly, the first box body 1 is filled with saline water, then the control device 26 controls the second power device 5 to wind the fifth filter screen 30 on the second rotating shaft 28, the fourth filter screen 29 is unfolded at the bottom of the fishing box 3, and then the control device 26 controls the hydraulic cylinder 25 to lead the fishing box 3 to descend in the first box body 1; secondly, dumping wheat seeds to be sorted into a fishing box 3, wherein the bottom of the fishing box 3 is provided with a fourth filter screen 29 allowing large stones, wheat and small crushed stones to pass through, so that the dumping of the wheat seeds is not influenced, then a control device 26 is used for starting a stirring device 8 to ensure that the wheat seeds are fully stirred in saline water, in the stirring process, unsaturated wheat and other light impurities float up to the surface of the saline water, after the small crushed stones sink from a first filter screen 9, the wheat seeds fully sink and float up, a control device 26 is used for controlling a first power device 4 to ensure that the fourth filter screen 29 is wound on a first rotating shaft 27, a fifth filter screen 30 is unfolded at the bottom of the fishing box 3, then the control device 26 is used for controlling the fishing box 3 to rise, and the floating impurities are filtered and fished out; finally, the first gate 12 is opened to enable the full wheat seeds to enter the second box body 2 from the first discharging channel 11, after the filtering action of the second filter screen 15 reduces the large stones therein for filtering, the water in the second box body is filtered by a third filter screen 16, and finally the selected full and clean seeds flow out from the fourth discharging channel 19.
The second discharging channel 13 is used for removing 3 small broken stones, and the fourth discharging channel 19 is used for discharging large stones.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a wheat breeding is with seed selection device, includes first box (1), second box (2) and controlling means (26), the bottom of first box (1) is equipped with landing leg (22), its characterized in that: the first box body (1) is communicated with the second box body (2), and the first box body (1) and the second box body (2) are of structures with open tops; a salvaging box (3), a stirring device (8), a first filter screen (9) and an inclined plate (10) are sequentially arranged in the first box body (1) from top to bottom, and a first discharge hole (101) and a second discharge hole (102) which correspond to the first filter screen (9) and the inclined plate (10) respectively are formed in the box wall of the first box body (1); the filter is characterized in that a second filter screen (15), a third filter screen (16) and an inclined plane (21) are sequentially arranged in the second box body (2) from top to bottom, and a third discharge hole (202), a fourth discharge hole (203) and a water outlet pipe (23) which correspond to the second filter screen (15), the third filter screen (16) and the inclined plane (21) respectively are formed in the box wall of the second box body (2).
2. The seed selection device for wheat breeding according to claim 1, characterized in that: the fishing box is characterized in that the upper surface and the lower surface of the fishing box (3) are both of an open structure, the outer wall of the fishing box (3) is connected with the inner wall of the first box body (1) in a sliding mode, a lifting device is installed between the top of the fishing box (3) and the first box body (1), and a filtering structure is installed at the bottom of the fishing box (3).
3. The seed selection device for wheat breeding according to claim 2, wherein: the inner wall of the first box body (1) is provided with a slide way (103), and the outer wall of the salvaging box (3) is provided with a slide bar (302) matched with the slide way (103).
4. The seed selection device for wheat breeding according to claim 2, wherein: the top opening of salvaging box (3) is equipped with border (301), install pneumatic cylinder (25) between the tank wall top of border (301) and first box (1).
5. The seed selection device for wheat breeding according to claim 2, wherein: the filtering structure comprises a first storage box (6) and a second storage box (7) which are arranged at the bottom of a salvaging box (3), wherein a first rotating shaft (27) is arranged in the first storage box (6), two ends of the first rotating shaft (27) are connected to the wall of the salvaging box (3) through bearings, one end of the first rotating shaft (27) outside the first storage box (6) is connected with a first power device (4), a fourth filter screen (29) is wound on the first rotating shaft (27) in the first storage box (6), and one end of the fourth filter screen (29) is fixedly connected to the first rotating shaft (27); a second rotating shaft (28) is installed in the second storage box (7), two ends of the second rotating shaft (28) are connected to the wall of the salvaging box (3) through bearings, one end of the second rotating shaft (28) outside the second storage box (7) is connected with a second power device (5), a fifth filter screen (30) is wound on the second rotating shaft (28) in the second storage box (7), one end of the fifth filter screen (30) is fixedly connected to the second rotating shaft (28), and the other end of the fifth filter screen (30) is connected with a fourth filter screen (29); first guiding opening (601) have been seted up to the side of first storage box (6), first guiding opening (601) are used for wearing to be equipped with fourth filter screen (29), second guiding opening (701) have been seted up to the side of second storage box (7), second guiding opening (701) are used for wearing to establish fifth filter screen (30).
6. The seed selection device for wheat breeding according to claim 5, wherein: the fishing device is characterized in that the first power device (4) comprises a first motor (401), the first motor (401) is installed at the top of the fishing box (3), a first belt pulley (402) is installed on an output shaft of the first motor (401), the first belt pulley (402) is connected with a second belt pulley (404) through a first belt (403), the second belt pulley (404) is installed on the first rotating shaft (27), the second power device (5) comprises a second motor (501), the second motor (501) is installed at the top of the fishing box (3), a third belt pulley (502) is installed on the output shaft of the second motor (501), the third belt pulley (502) is connected with a fourth belt pulley (504) through a second belt (503), and the fourth belt pulley (504) is installed on the second rotating shaft (28).
7. The seed selection device for wheat breeding according to claim 1, characterized in that: agitating unit (8) include third motor (801), be connected with third pivot (802) on the output shaft of third motor (801), the both ends of third pivot (802) are passed through the bearing and are connected on the tank wall of first box (1), the equipartition has a plurality of stirring teeth (803) on third pivot (802).
8. The seed selection device for wheat breeding according to claim 1, characterized in that: the first filter screen (9) and the inclined plate (10) are obliquely arranged in the first box body (1), a first discharge hole (101) is formed in the box wall of the first box body (1) corresponding to the lower end of the first filter screen (9), a first discharge channel (11) is arranged on the first discharge hole (101), the other end of the first discharge channel (11) is connected to the second box body (2), a first feed inlet (201) corresponding to the first discharge channel (11) is formed in the box wall of the second box body (2), and a first flashboard (12) is arranged on the first discharge channel (11); a second discharge hole (102) is formed in the box wall of the first box body (1) corresponding to the lower end of the inclined plate (10), a second discharge channel (13) is installed on the second discharge hole (102), and a second gate plate (14) is installed on the second discharge channel (13); the second filter screen (15) and the third filter screen (16) are obliquely arranged in the second box body (2), a third discharge hole (202) is formed in the box wall of the second box body (2) corresponding to the lower end of the second filter screen (15), a third discharge channel (17) is arranged on the third discharge hole (202), a third gate plate (18) is arranged on the third discharge channel (17), a fourth discharge hole (203) is formed in the box wall of the second box body (2) corresponding to the lower end of the third filter screen (16), a fourth discharge channel (19) is arranged on the fourth discharge hole (203), a fourth gate plate (20) is arranged on the fourth discharge channel (19), a water outlet pipe (23) is arranged on the box wall of the second box body (2) corresponding to the lower end of the inclined plane (21), and a control valve (24) is arranged on the water outlet pipe (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020628024.2U CN212493449U (en) | 2020-04-23 | 2020-04-23 | Wheat breeding is with seed selection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020628024.2U CN212493449U (en) | 2020-04-23 | 2020-04-23 | Wheat breeding is with seed selection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212493449U true CN212493449U (en) | 2021-02-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020628024.2U Active CN212493449U (en) | 2020-04-23 | 2020-04-23 | Wheat breeding is with seed selection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212493449U (en) |
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2020
- 2020-04-23 CN CN202020628024.2U patent/CN212493449U/en active Active
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