CN209861884U - Bean sprout culture device - Google Patents
Bean sprout culture device Download PDFInfo
- Publication number
- CN209861884U CN209861884U CN201920408306.9U CN201920408306U CN209861884U CN 209861884 U CN209861884 U CN 209861884U CN 201920408306 U CN201920408306 U CN 201920408306U CN 209861884 U CN209861884 U CN 209861884U
- Authority
- CN
- China
- Prior art keywords
- water
- case
- tray
- controller
- bean sprout
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Landscapes
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The utility model discloses a bean sprout cultivation device, which comprises a machine case, a controller, a water tank and connecting pipes, wherein the surface of the machine case is provided with the controller, the controller is fixedly connected with the machine case through bolts, the bottom of the machine case is provided with the water tank, the left side of the water tank is provided with a water inlet pipe, the inside of the water tank is provided with a water pump, the upper part of the water pump is provided with the connecting pipes, the top of the connecting pipes is provided with a spray head, the spray head is communicated with the water tank through the connecting pipes, the bean sprout cultivation device puts the soaked bean into a holding groove when in use, divides the holding groove into a plurality of areas through clapboards, ensures the planting density of the bean, and water-absorbing sponge arranged at the bottom can lock water to ensure the water for the bean, after a box cover is closed, water is injected into the water tank through the water inlet pipe, the motor drives the connecting pipe to rotate, and the first tray and the second tray are driven to rotate to enable the first tray and the second tray to be uniformly soaked in water.
Description
Technical Field
The utility model relates to a technical field is cultivateed to the bean sprouts, specifically is a bean sprouts culture apparatus.
Background
Bean sprouts, also called sprouting vegetables, also called smart sprouts, bean sprouts, wishful vegetables, jia vegetables, silver sprouts, silver needles, silver seedlings, bud hearts, soybean sprouts and bean sprouts in clear water are edible 'sprouts' cultivated from seeds of various cereals, beans and trees, also called 'live vegetables'. The variety is rich, the nutrition is comprehensive, and the vegetable is common vegetable. The main part of the food is hypocotyl. Common sprouting vegetables are as follows: more than 30 varieties of Chinese toon sprouts, buckwheat sprouts, alfalfa sprouts, pepper sprouts, green black bean sprouts, acacia sprouts, sunflower seeds sprouts, radish sprouts, asparagus sprouts, peanut sprouts, broad bean sprouts and the like.
The bean sprout growing machine commonly used at present, the constant temperature effect is not good, and high temperature low temperature fluctuation range is big, has influenced the quick healthy growth of bean sprouts, has influenced people and has used the best effect of bean sprout growing machine, and is poor to the water spray effect of bean sprouts, can't cause the poor condition emergence of bean sprouts local growth to the even water spray of bean sprouts.
Disclosure of Invention
The utility model aims at providing a bean sprouts culture apparatus has solved present bean sprouts machine commonly used, and the constant temperature effect is not good, and high temperature low temperature fluctuation range is big, has influenced the quick healthy growth of bean sprouts, has influenced the best effect that people used the bean sprouts machine, and is poor to the water spray effect of bean sprouts, can't cause the poor condition of bean sprouts local growth to take place to the even water spray of bean sprouts.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a bean sprout cultivation device comprises a case, a controller, a water tank and a connecting pipe, wherein the surface of the case is provided with the controller, the controller is fixedly connected with the case through bolts, the bottom of the case is provided with the water tank, the left side of the water tank is provided with a water inlet pipe, the inside of the water tank is provided with the water pump, the upper part of the water pump is provided with the connecting pipe, the top of the connecting pipe is provided with a spray head, the spray head is communicated with the water tank through the connecting pipe, the surface of the connecting pipe is provided with a first tray, the lower part of the first tray is provided with a second tray, the lower parts of the first tray and the second tray are respectively provided with a bracket, the lower part of the bracket is provided with a clamping block, the first tray and the second tray are fixed on the surface of the connecting pipe through the clamping block, the bottom of the connecting pipe is provided with a, the novel water-absorbing machine is characterized in that a partition plate is arranged inside the containing groove and fixedly connected with the containing groove through bolts, a water-absorbing sponge is arranged at the bottom of the containing groove, a heater is arranged on the inner wall of the machine case, and the heater is electrically connected with the controller through a wire.
Preferably, a liquid level sensor is arranged in the water tank, the liquid level sensor is electrically connected with the controller through a lead, and the type of the liquid level sensor is FST 700-205.
Preferably, a temperature sensor is arranged inside the case, the temperature sensor is electrically connected with the controller through a wire, and the model of the temperature sensor is WRF 2-101.
Preferably, a humidity sensor is arranged inside the case, the humidity sensor is electrically connected with the controller through a lead, and the model of the humidity sensor is WLHT-1S-200.
Preferably, the top of the case is provided with a case cover, the case cover is rotatably connected with the case through a hinge, the upper part of the case cover is provided with an alarm lamp, and the alarm lamp is electrically connected with the controller through a wire.
Preferably, the heat-insulating layer is arranged inside the case and is filled with high-density rock wool.
Preferably, a water collecting tank is arranged at the bottom in the case, a water outlet is arranged on the side surface of the water collecting tank, and the water outlet is communicated with the water collecting tank.
Preferably, the surface of the case is provided with a ventilating fan, and the ventilating fan is communicated with the inside of the case.
The utility model provides a bean sprout cultivation device. The method has the following beneficial effects:
1. the bean sprout culture device is used for soaking bean seeds and placing the soaked bean seeds into the containing groove, the containing groove is divided into a plurality of areas by the partition boards, the planting density of the bean seeds is ensured, and the water-absorbing sponge arranged at the bottom can lock water to ensure the water for planting the beans, after the box cover is covered, water is injected into the water tank through the water inlet pipe, the water is pumped into the connecting pipe through the water pump and is sprayed out through the spray header, the seed beans are sprayed, the connecting pipe is driven to rotate by the motor, the first tray and the second tray are driven to rotate to be uniformly wetted, the situation that the local growth of bean sprouts is poor due to uneven spraying is avoided, the excessive water after the water absorption sponge absorbs enough water after being sprayed by the spray head leaks downwards to ensure the water supply of the second tray, and a heater arranged on the inner wall of the case can heat the inside of the case, so that the sprouting temperature of the bean seeds is ensured, and the sprouting of the bean seeds is prevented from being influenced by insufficient temperature;
2. the bean sprout cultivation device has the advantages that the water level inside the water tank can be monitored in real time by the liquid level sensor, the monitoring signal is transmitted to the display module of the controller for display, so that a person can know the condition of the water tank visually, the temperature inside the machine box can be monitored in real time by the temperature sensor, the monitoring signal is transmitted to the display module of the controller for display, so that the person can know the condition of the machine box visually, the humidity inside the machine box can be monitored in real time by the humidity sensor, the monitoring signal is transmitted to the display module of the controller for display, so that the person can know the condition of the machine box visually, when the monitoring values of the liquid level sensor, the temperature sensor and the humidity sensor exceed the limit value, the controller starts the alarm lamp to remind the outside person to pay attention, the heat preservation layer can avoid the rapid loss of the internal temperature, and the influence of, the germination temperature of the seed beans is guaranteed, the water collecting grooves are convenient to collect redundant moisture and discharge the moisture through the water outlet, the moisture is convenient to treat, the ventilation fan is arranged to increase the ventilation in the machine case, and the germination air quality of the seed beans is guaranteed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic view of the internal structure of the first tray of the present invention.
Fig. 4 is a schematic view of the cross-sectional structure of the present invention.
In the figure, a case-1, a controller-2, a water tank-3, a water outlet-4, a ventilating fan-5, an alarm lamp-6, a case cover-7, a heat preservation layer-8, a temperature sensor-9, a humidity sensor-10, a first tray-11, a connecting pipe-12, a second tray-13, a water collecting tank-14, a water pump-15, a water inlet pipe-16, a liquid level sensor-17, a spray header-18, a containing tank-19, a partition board-20, a water absorption sponge-21, a bracket-22, a fixture block-23, a motor-24 and a heater-25.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: a bean sprout cultivation device comprises a case 1, a controller 2, a water tank 3 and a connecting pipe 12, wherein the controller 2 is arranged on the surface of the case 1, the controller 2 is fixedly connected with the case 1 through bolts, the water tank 3 is arranged at the bottom of the case 1, a water inlet pipe 16 is arranged on the left side of the water tank 3, a water pump 15 is arranged inside the water tank 3, the connecting pipe 12 is arranged on the upper portion of the water pump 15, a spray head 18 is arranged at the top of the connecting pipe 12, the spray head 18 is communicated with the water tank 3 through the connecting pipe 12, a first tray 11 is arranged on the surface of the connecting pipe 12, a second tray 13 is arranged on the lower portion of the first tray 11, brackets 22 are arranged on the lower portions of the first tray 11 and the second tray 13, clamping blocks 23 are arranged on the lower portions of the brackets 22, the first tray 11 and the second tray 13 are fixed on the surface of the connecting pipe, the connecting pipe 12 passes through bolt and motor 24's rotor fixed connection, first tray 11 and the inside groove 19 that holds that is equipped with of second tray 13, hold the inside baffle 20 that is equipped with of groove 19, baffle 20 through the bolt with hold groove 19 fixed connection, it is equipped with sponge 21 that absorbs water to hold 19 bottoms of groove, machine case 1 inner wall is equipped with heater 25, heater 25 passes through wire and 2 electric connection of controller.
The inside level sensor 17 that is equipped with of water tank 3, level sensor 17 passes through wire and controller 2 electric connection, level sensor 17's model is FST700-205, and level sensor 17's setting can the inside water level of real-time supervision water tank 3 to with the display module demonstration of monitoring signal transmission to controller 2, make things convenient for the audio-visual understanding water tank 3 condition of personnel.
The inside temperature sensor 9 that is equipped with of machine case 1, temperature sensor 9 passes through wire and controller 2 electric connection, temperature sensor 9's model is WRF2-101, and the temperature of the inside of real-time supervision machine case 1 of setting up of temperature sensor 9 to with the display module display of monitoring signal transmission to controller 2, make things convenient for the audio-visual understanding machine case 1 condition of personnel.
The humidity sensor 10 is arranged inside the case 1, the humidity sensor 10 is electrically connected with the controller 2 through a lead, the type of the humidity sensor 10 is WLHT-1S-200, the humidity inside the case 1 can be monitored in real time through the arrangement of the humidity sensor 10, monitoring signals are transmitted to the display module of the controller 2 to be displayed, and people can conveniently and visually know the situation of the case 1.
Case 1 top is equipped with case lid 7, case lid 7 rotates with quick-witted case 1 through the hinge to be connected, 7 upper portions of case lid are equipped with warning light 6, warning light 6 passes through wire and 2 electric connection of controller, and when level sensor 17, temperature sensor 9 and humidity transducer 10's monitoring value exceeded the limit value, started warning light 6 through controller 2 and remind outside personnel to notice.
The inside heat preservation 8 that is equipped with of quick-witted case 1, heat preservation 8 is filled by high density rock wool, and the quick loss of inside temperature can be avoided in setting up of heat preservation 8, has also prevented the influence of outside temperature to inside, has guaranteed the temperature that sprouts of kind beans.
The bottom in the machine case 1 is provided with a water collecting tank 14, the side surface of the water collecting tank 14 is provided with a water outlet 4, the water outlet 4 is communicated with the water collecting tank 14, the water collecting tank 14 is convenient to collect redundant moisture, and the redundant moisture is discharged through the water outlet 4 and is convenient to treat.
The surface of the machine case 1 is provided with the ventilating fan 5, the ventilating fan 5 is communicated with the inside of the machine case 1, the ventilation in the machine case 1 is increased by the ventilating fan 5, and the air quality of sprouting of the seed beans is ensured.
The working principle is as follows: when the bean sprout cultivation device is used, beans are soaked and then placed in the containing groove 19, the containing groove 19 is divided into a plurality of areas through the partition plates 20, the planting density of the beans is guaranteed, the water-absorbing sponge 21 arranged at the bottom can lock water to guarantee the water for planting the beans, after the box cover 7 is covered, water is injected into the water tank 3 through the water inlet pipe 16, the water is pumped into the connecting pipe 12 through the water pump 15 and sprayed out through the spray head 18 to spray the beans, the connecting pipe 12 is driven to rotate through the motor 24 to drive the first tray 11 and the second tray 13 to rotate so as to enable the first tray 11 and the second tray 13 to uniformly receive water, the situation that the local growth of the bean sprouts is poor due to nonuniform spraying is avoided, excessive water seeps downwards after the water-absorbing sponge 21 absorbs enough water after the water is sprayed through the spray head 18, the water supply of the second tray 13 is guaranteed, the heater 25 arranged on the inner wall of the machine case 1 can heat, avoid the temperature not enough to influence the sprouting of the seed beans. The liquid level sensor 17 can monitor the water level inside the water tank 3 in real time and transmit monitoring signals to the display module of the controller 2 for display, so that personnel can know the condition of the water tank 3 visually, the temperature sensor 9 can monitor the temperature inside the case 1 in real time and transmit the monitoring signals to the display module of the controller 2 for display, so that the personnel can know the condition of the case 1 visually, the humidity sensor 10 can monitor the humidity inside the case 1 in real time and transmit the monitoring signals to the display module of the controller 2 for display, so that the personnel can know the condition of the case 1 visually, when the monitoring values of the liquid level sensor 17, the temperature sensor 9 and the humidity sensor 10 exceed the limit value, the controller 2 starts the alarm lamp 6 to remind the outside personnel, the heat preservation layer 8 can avoid the rapid loss of the internal temperature, and the influence of the external temperature on the inside is prevented, the germination temperature of the seed beans is guaranteed, the water collecting grooves 14 are convenient to collect redundant moisture and discharge the moisture through the water discharging openings 4, the processing is convenient, the ventilation fan 5 is arranged to increase the ventilation in the case 1, and the germination air quality of the seed beans is guaranteed.
The utility model discloses a machine case 1, a controller 2, a water tank 3, a water outlet 4, a ventilating fan 5, an alarm lamp 6, a box cover 7, a heat preservation layer 8, a temperature sensor 9, a humidity sensor 10, a first tray 11, a connecting pipe 12, a second tray 13, a water collecting tank 14, a water pump 15, a water inlet pipe 16, a liquid level sensor 17, a spray head 18, a containing tank 19, a clapboard 20, a water absorption sponge 21, a bracket 22, a clamping block 23, a motor 24 and a heater 25, wherein the components are all universal standard components or components known by technicians in the field, the structure and the principle of the components are all known by technicians through technical manuals or conventional experimental methods, the problem solved by the utility model is that the bean sprout growing machine commonly used at present has poor constant temperature effect and large high temperature and low temperature fluctuation range, thereby influencing the rapid and healthy growth of bean sprouts and influencing the best effect of people using the bean sprout growing machine, the bean sprout culture device has the advantages that the bean sprouts can not be uniformly sprayed with water when in use, the local growth of the bean sprouts is poor, the bean sprouts culture device is combined with the above components, the bean sprouts are soaked and then placed into the containing groove, the containing groove is divided into a plurality of areas through the partition plates, the planting density of the bean sprouts is ensured, the water-absorbing sponge arranged at the bottom can lock water to ensure the water for planting the bean sprouts, after the box cover is covered, the water is injected into the water tank through the water inlet pipe, the water is pumped into the connecting pipe through the water pump and is sprayed out through the spray heads, the bean sprouts are driven to rotate through the motor, the first tray and the second tray are driven to rotate to uniformly receive water, the situation that the local growth of the bean sprouts is poor due to uneven spraying is avoided, the excessive water after the water-absorbing sponge absorbs enough water is sprayed through the spray heads and seeps downwards, guarantee the water supply of second tray, the heater that quick-witted incasement wall set up can heat quick-witted incasement portion, guarantees the temperature that sprouts of kind beans, avoids the not enough sprouting that influences kind beans of temperature. The arrangement of the liquid level sensor can monitor the water level in the water tank in real time and transmit monitoring signals to the display module of the controller for display, so that personnel can know the condition of the water tank visually, the arrangement of the temperature sensor can monitor the temperature in the case in real time and transmit the monitoring signals to the display module of the controller for display, so that the personnel can know the condition of the case visually, the arrangement of the humidity sensor can monitor the humidity in the case in real time and transmit the monitoring signals to the display module of the controller for display, so that the personnel can know the condition of the case visually, when the monitoring values of the liquid level sensor, the temperature sensor and the humidity sensor exceed limit values, the controller starts the alarm lamp to remind external personnel of paying attention, the arrangement of the heat preservation layer can avoid the rapid loss of the internal temperature, the influence of the external temperature on the internal is also prevented, and the sprouting temperature of the bean is, the water catch bowl set up the convenience and collect unnecessary moisture, discharge through the outlet, conveniently handle, and ventilation fan's setting has increased the circulation of air in the quick-witted case, has guaranteed the air quality that kind beans sprouted.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A bean sprout cultivation device is characterized in that: the water tank is arranged at the bottom of the case, a water inlet pipe is arranged on the left side of the water tank, a water pump is arranged inside the water tank, a connecting pipe is arranged at the upper part of the water pump, a spray head is arranged at the top of the connecting pipe and communicated with the water tank through the connecting pipe, a first tray is arranged on the surface of the connecting pipe, a second tray is arranged on the lower part of the first tray, brackets are arranged on the lower parts of the first tray and the second tray, a clamping block is arranged on the lower part of the bracket, the first tray and the second tray are fixed on the surface of the connecting pipe through the clamping block, a motor is arranged at the bottom of the connecting pipe, the connecting pipe is fixedly connected with a rotor of the motor through bolts, containing grooves are formed in the first tray and the second tray, and partition plates are arranged inside the containing grooves, the baffle passes through bolt and holds groove fixed connection, it is equipped with the sponge that absorbs water to hold tank bottom portion, machine incasement wall is equipped with the heater, the heater passes through wire and controller electric connection.
2. The bean sprout cultivation device as claimed in claim 1, wherein: the water tank is internally provided with a liquid level sensor, the liquid level sensor is electrically connected with the controller through a lead, and the type of the liquid level sensor is FST 700-205.
3. The bean sprout cultivation device as claimed in claim 1, wherein: the temperature sensor is arranged in the case and electrically connected with the controller through a wire, and the temperature sensor is WRF 2-101.
4. The bean sprout cultivation device as claimed in claim 1, wherein: the humidity sensor is arranged in the case and electrically connected with the controller through a lead, and the humidity sensor is WLHT-1S-200 in model.
5. The bean sprout cultivation device as claimed in claim 1, wherein: the improved case is characterized in that a case cover is arranged on the top of the case and is rotatably connected with the case through hinges, and an alarm lamp is arranged on the upper portion of the case cover and is electrically connected with the controller through a wire.
6. The bean sprout cultivation device as claimed in claim 1, wherein: the heat preservation layer is arranged inside the case and filled with high-density rock wool.
7. The bean sprout cultivation device as claimed in claim 1, wherein: the bottom in the case is provided with a water collecting tank, the side surface of the water collecting tank is provided with a water outlet, and the water outlet is communicated with the water collecting tank.
8. The bean sprout cultivation device as claimed in claim 1, wherein: the surface of the case is provided with a ventilating fan, and the ventilating fan is communicated with the inside of the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408306.9U CN209861884U (en) | 2019-03-28 | 2019-03-28 | Bean sprout culture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408306.9U CN209861884U (en) | 2019-03-28 | 2019-03-28 | Bean sprout culture device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209861884U true CN209861884U (en) | 2019-12-31 |
Family
ID=68957209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920408306.9U Active CN209861884U (en) | 2019-03-28 | 2019-03-28 | Bean sprout culture device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209861884U (en) |
-
2019
- 2019-03-28 CN CN201920408306.9U patent/CN209861884U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107371465A (en) | The automatic Germinator of Household vegetable seed | |
| CN209861884U (en) | Bean sprout culture device | |
| CN210168428U (en) | Rice that can automatic equalization temperature and humidity is sprouting device for growing seedlings | |
| CN212487174U (en) | Seed germination cultivation device for agricultural planting | |
| CN211090560U (en) | Roxburgh rose seed germination accelerating device | |
| CN216775630U (en) | Agricultural vegetable seed cultivation equipment | |
| CN203015570U (en) | Bud seedling machine | |
| CN114175971A (en) | Cultivation device is bred to pine mushroom | |
| CN208768393U (en) | A kind of rice breeding incubator of thermally equivalent | |
| CN216362485U (en) | Early rice seed is cultivated with germination percentage detection test device | |
| CN218183924U (en) | Watermelon germination accelerating device | |
| CN218784152U (en) | Bean sprout incubation device | |
| CN211532244U (en) | Bean sprout cultivation device for bean sprout planting | |
| CN213095160U (en) | Vegetable growth cultivation device | |
| CN210519611U (en) | Artificial intelligence seedling cultivation device for forest garden construction | |
| CN214902512U (en) | Bud device is educated to farming seed | |
| CN220897470U (en) | Novel bean sprout growing machine | |
| CN207167005U (en) | The automatic Germinator of Household vegetable seed | |
| CN215912478U (en) | Malt and rice sprout germinating machine | |
| CN216650644U (en) | Transgenic rice seedling raising tray | |
| CN212786549U (en) | Seed soaking and germination accelerating device for agricultural planting | |
| CN216650433U (en) | Efficient rice seed device of growing seedlings | |
| CN215381165U (en) | Dried sweet potato and dried fruit subpackaging, tempering and sterilizing device | |
| CN220875031U (en) | Big grain wheat breeding germination accelerating box | |
| CN212588799U (en) | Seed soaking and germination accelerating device for agricultural planting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |