CN215380559U - Landscape building soilless culture frame - Google Patents
Landscape building soilless culture frame Download PDFInfo
- Publication number
- CN215380559U CN215380559U CN202120455138.6U CN202120455138U CN215380559U CN 215380559 U CN215380559 U CN 215380559U CN 202120455138 U CN202120455138 U CN 202120455138U CN 215380559 U CN215380559 U CN 215380559U
- Authority
- CN
- China
- Prior art keywords
- soilless culture
- telescopic
- culture frame
- fixedly connected
- base
- 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
Images
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 soilless culture frame for landscape architecture, which comprises a soilless culture planting pipe, wherein a crop planting groove is formed in the upper end of the soilless culture planting pipe, a vertical connecting pipe is fixedly connected to one end of the soilless culture planting pipe, horizontal connecting pipes are fixedly connected to two sides of the vertical connecting pipe, and a nutrient solution conveying port is fixedly connected to one side of each horizontal connecting pipe. The soilless culture frame for the garden landscape building is provided with the rotatable telescopic base and the retractable telescopic supporting legs, the flexibility of the soilless culture frame is improved by adding the rotatable telescopic base, the soilless culture frame can be rotated to adjust the photosynthesis time of crops in the direction of the sun, the height of the soilless culture frame can be conveniently adjusted by adding the retractable supporting legs, the application range of the soilless culture frame is enlarged, the soilless culture frame is suitable for more crops, and better use prospects are brought.
Description
Technical Field
The utility model relates to the field of soilless culture frames, in particular to a soilless culture frame for landscape architecture.
Background
Landscape building soilless culture frame is a support equipment that carries out soilless culture, increases rotatable flexible base, can conveniently adjust soilless culture frame towards the sun angle, can be towards the one side that has sunshine always, increases and to accomodate telescopic leg, conveniently adjusts soilless culture frame's height, reinforced structure stability, along with the continuous development of science and technology, people also are more and more high to landscape building soilless culture frame's manufacturing process requirement.
The soilless culture frame for the existing landscape architecture has certain defects when in use, firstly, the fixed sunward direction enables the photosynthesis time of crops to be short, the use of people is not facilitated, and in addition, the soilless culture frame with the fixed height has small applicability, certain adverse influence is brought to the use process of people, and therefore the soilless culture frame for the landscape architecture is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a soilless culture frame for landscape architecture, which is provided with a rotatable telescopic base and a retractable supporting leg, so that the soilless culture frame has the advantages of long crop photosynthesis time, wider application range and the like, and can effectively solve the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the utility model adopts the technical scheme that: a soilless culture frame for landscape architecture comprises a soilless culture planting pipe, wherein a crop planting groove is formed in the upper end of the soilless culture planting pipe, a vertical connecting pipe is fixedly connected to one end of the soilless culture planting pipe, horizontal connecting pipes are fixedly connected to two sides of the vertical connecting pipe, a nutrient solution conveying port is fixedly connected to one side of each horizontal connecting pipe, a supporting leg connecting mechanism is fixedly connected to the lower end of each vertical connecting pipe, a nutrient solution changing port is fixedly connected to the lower end of each horizontal connecting pipe, a telescopic connecting leg is movably connected to the lower end of each supporting leg connecting mechanism, a second telescopic shaft is movably connected to the lower end of each telescopic shaft, a telescopic base is movably connected to the lower end of each telescopic base, a supporting arm accommodating box is movably connected to the lower end of each telescopic base, a movable rotating shaft is movably connected to one side of each supporting arm accommodating box, the utility model discloses a soilless culture frame, including support arm receiver, telescopic leg, locating hole, standing groove, No. two standing grooves, No. two telescopic leg's upper end has been seted up to the one end fixedly connected with of support arm receiver, the inside of can receiving telescopic leg has the support base, the inside swing joint of a standing groove has No. two standing grooves to be seted up to the inside of supporting the base, the rotatory telescopic base of lower extreme fixedly connected with soilless culture frame of fretwork connecting pipe, No. two locating holes have been seted up to the upper end of the rotatory telescopic base of soilless culture frame, the inside swing joint of No. two standing grooves has the fretwork connecting pipe, the upper end swing joint of fretwork connecting pipe has the telescopic shaft No. one, the upper end fixedly connected with connecting block of telescopic shaft, the both sides fixedly connected with support arm of connecting block, the fixed pipe box of upper end fixedly connected with of support arm.
Preferably, the interior of the hollow connecting pipe is movably connected with the lower end of the connecting block through a first telescopic shaft, waterproof glue is arranged between the supporting arm and the fixing pipe sleeve, and the inner side of the supporting arm is fixedly connected with one side of the fixing pipe sleeve through the waterproof glue.
Preferably, can accomodate and be provided with the welding piece between flexible landing leg and the support arm receiver, can accomodate the one end fixed connection through welding piece and support arm receiver around flexible landing leg, the lower extreme swing joint of activity pivot and flexible base is passed through to the front end of support arm receiver.
Preferably, the upper end of the telescopic base is movably connected with the lower end of the telescopic connecting leg through a second telescopic shaft, a clamping groove is formed between the telescopic connecting leg and the supporting leg connecting mechanism, and the upper end of the telescopic connecting leg is fixedly connected with the lower end of the supporting leg connecting mechanism through the clamping groove.
Preferably, a welding wire is arranged between the support base and the soilless culture frame rotary telescopic base, the lower end of the support base is fixedly connected with the upper end of the soilless culture frame rotary telescopic base through the welding wire, and the support base is movably connected with the lower end of the hollow connecting pipe through a second placing groove.
Preferably, the inside of the retractable support leg is fixedly connected with the inside of the supporting base through a first positioning hole and a second positioning hole, a solvent-free super glue is arranged between the horizontal connecting pipe and the vertical connecting pipe, and two sides of the horizontal connecting pipe are fixedly connected with one end of the vertical connecting pipe through the solvent-free super glue.
(III) advantageous effects
Compared with the prior art, the utility model provides a soilless culture frame for landscape architecture, which has the following beneficial effects: the soilless culture frame for the garden landscape building has the advantages that the flexibility of the soilless culture frame is increased by adding the rotatable telescopic base, the soilless culture frame can be rotated to adjust the photosynthesis time of crops in the direction of the sun, the height of the soilless culture frame can be conveniently adjusted by adding the retractable supporting legs, the application range of the soilless culture frame is increased, the soilless culture frame is suitable for more crops, the soilless culture planting pipes and the fixed pipe sleeves are fixed, the soilless culture planting pipes penetrate into the fixed pipe sleeves to correspond to the positions, the hollow connecting pipes are placed in the second placing grooves, the height of the first telescopic shaft is adjusted to be suitable, the hollow connecting pipes are rotated to enable the soilless culture frame to face to a suitable angle, the photosynthesis time is increased, the soilless culture frame can be rotated along with sunlight, the telescopic base, the second telescopic shaft and the telescopic connecting legs can be taken out of the storage box, place flexible base, make the flexible connection leg aim at landing leg coupling mechanism lower extreme draw-in groove, flexible No. two telescopic shafts, make the flexible connection leg support soilless culture frame with landing leg coupling mechanism lower extreme draw-in groove driving fit, add nutrient solution from nutrient solution delivery port department after adjusting soilless culture frame, change liquid port department at the nutrient solution and increase a water control valve, make during the nutrient solution flows into soilless culture planting pipe, put into the crop planting groove again with the crop, whole landscape building soilless culture frame simple structure, high durability and convenient operation, the effect of use is better for the traditional mode.
Drawings
FIG. 1 is a schematic view of the overall structure of a soilless culture frame for landscape architecture of the present invention.
FIG. 2 is a schematic structural view of a rotatable telescopic base in the soilless culture frame for landscape architecture of the present invention.
FIG. 3 is a schematic structural view of a retractable support leg capable of being accommodated in the soilless culture frame for landscape architecture of the present invention.
FIG. 4 is a schematic structural view of a support base in the soilless culture frame for landscape architecture of the present invention.
In the figure: 1. a soilless culture planting pipe; 2. a crop planting tank; 3. a horizontal connecting pipe; 4. a vertical connecting pipe; 5. a nutrient solution delivery port; 6. a nutrient solution exchange port; 7. a leg connecting mechanism; 8. the telescopic supporting legs can be accommodated; 9. a support base; 10. hollowing out the connecting pipe; 11. a first telescopic shaft; 12. connecting blocks; 13. a support arm; 14. fixing the pipe sleeve; 15. a first positioning hole; 16. a first placing groove; 17. a support arm storage box; 18. a movable rotating shaft; 19. a telescopic base; 20. a second telescopic shaft; 21. a telescopic connecting leg; 22. a second placing groove; 23. the soilless culture frame rotates the telescopic base; 24. and a second positioning hole.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in figures 1-4, a soilless culture frame for landscape architecture comprises a soilless culture planting pipe 1, a crop planting groove 2 is arranged at the upper end of the soilless culture planting pipe 1, a vertical connecting pipe 4 is fixedly connected at one end of the soilless culture planting pipe 1, horizontal connecting pipes 3 are fixedly connected at two sides of the vertical connecting pipe 4, a nutrient solution delivery port 5 is fixedly connected at one side of each horizontal connecting pipe 3, a leg connecting mechanism 7 is fixedly connected at the lower end of each vertical connecting pipe 4, a nutrient solution changing port 6 is fixedly connected at the lower end of each horizontal connecting pipe 3, a telescopic connecting leg 21 is movably connected at the lower end of each leg connecting mechanism 7, a second telescopic shaft 20 is movably connected at the lower end of each telescopic connecting leg 21, a telescopic base 19 is movably connected at the lower end of each second telescopic shaft 20, a support arm storage box 17 is movably connected at the lower end of each telescopic base 19, and a movable rotating shaft 18 is movably connected at one side of each support arm storage box 17, telescopic leg 8 can be accomodate to the one end fixedly connected with of support arm receiver 17, locating hole 15 has been seted up No. one to the upper end of accomodating telescopic leg 8, standing groove 16 has been seted up to the inside of accomodating telescopic leg 8, the inside swing joint of standing groove 16 has support base 9, No. two standing grooves 22 have been seted up to the inside of supporting base 9, the rotatory telescopic base 23 of lower extreme fixedly connected with soilless culture frame of fretwork connecting pipe 10, No. two locating holes 24 have been seted up to the upper end of the rotatory telescopic base 23 of soilless culture frame, the inside swing joint of No. two standing grooves 22 has fretwork connecting pipe 10, the upper end swing joint of fretwork connecting pipe 10 has telescopic shaft 11 No. one, the upper end fixedly connected with connecting block 12 of telescopic shaft 11, the both sides fixedly connected with support arm 13 of connecting block 12, the upper end fixedly connected with fixed tube sleeve 14 of support arm 13.
Further, the inside of fretwork connecting pipe 10 is through the lower extreme swing joint of telescopic shaft 11 and connecting block 12, is provided with the waterproof glue between support arm 13 and the fixed pipe box 14, and one side fixed connection of waterproof glue and fixed pipe box 14 has been passed through to the inboard of support arm 13, has increased the flexibility that supports the base.
Further, can accomodate and be provided with the welding piece between flexible landing leg 8 and the support arm receiver 17, can accomodate one end fixed connection through welding piece and support arm receiver 17 around flexible landing leg 8, the lower extreme swing joint of support arm receiver 17's front end through activity pivot 18 and flexible base 19 makes the supporting leg can accomodate, the convenient transfer.
Furthermore, the upper end of the telescopic base 19 is movably connected with the lower end of the telescopic connecting leg 21 through a second telescopic shaft 20, a clamping groove is formed between the telescopic connecting leg 21 and the supporting leg connecting mechanism 7, and the upper end of the telescopic connecting leg 21 is fixedly connected with the lower end of the supporting leg connecting mechanism 7 through the clamping groove, so that the stability of the structure is improved.
Further, be provided with the welding wire between support base 9 and the rotatory flexible base 23 of soilless culture frame, the lower extreme of supporting base 9 passes through the upper end fixed connection of welding wire and the rotatory flexible base 23 of soilless culture frame, supports base 9 through the lower extreme swing joint of No. two standing grooves 22 with fretwork connecting pipe 10, makes the support base more firm.
Furthermore, the inside of the retractable supporting leg 8 is fixedly connected with the inside of the supporting base 9 through a first positioning hole 15 and a second positioning hole 24, a solvent-free super glue is arranged between the horizontal connecting pipe 3 and the vertical connecting pipe 4, and the two sides of the horizontal connecting pipe 3 are fixedly connected with one end of the vertical connecting pipe 4 through the solvent-free super glue, so that the integrity of the whole structure is improved.
The working principle is as follows: the soilless culture frame comprises a soilless culture planting pipe 1, a crop planting groove 2, a horizontal connecting pipe 3, a vertical connecting pipe 4, a nutrient solution conveying port 5, a nutrient solution liquid changing port 6, a supporting leg connecting mechanism 7, a retractable supporting leg 8, a supporting base 9, a hollowed-out connecting pipe 10, a first retractable shaft 11, a connecting block 12, a supporting arm 13, a fixed pipe sleeve 14, a first positioning hole 15, a first placing groove 16, a supporting arm containing box 17, a movable rotating shaft 18, a retractable base 19, a second retractable shaft 20, a retractable connecting leg 21, a second placing groove 22, a soilless culture frame rotating retractable base 23 and a second positioning hole 24, wherein the soilless culture planting pipe 1 and the fixed pipe sleeve 14 can be fixed firstly, the soilless culture planting pipe 1 penetrates into the corresponding position in the fixed pipe sleeve 14, the hollowed-out connecting pipe 10 is placed in the second placing groove 22, the height of the first retractable shaft 11 is adjusted to a proper position, the soilless culture frame is suitable for the angle by rotating the hollow connecting pipe 10, photosynthesis time is prolonged, the soilless culture frame can be rotated by following sunlight, the telescopic base 19, the second telescopic shaft 20 and the telescopic connecting legs 21 are taken out from the supporting arm storage box 17, the telescopic base 19 is placed, the telescopic connecting legs 21 are aligned to the clamping grooves at the lower ends of the supporting leg connecting mechanisms 7, the second telescopic shaft 20 is telescopic, the telescopic connecting legs 21 and the clamping grooves at the lower ends of the supporting leg connecting mechanisms 7 are tightly combined to support the soilless culture frame, nutrient solution is added from the nutrient solution conveying port 5 after the soilless culture frame is adjusted, a water control valve is additionally arranged at the nutrient solution changing port 6, the nutrient solution flows into the soilless culture planting pipe 1, and then crops are placed into the crop planting grooves 2.
It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a landscape building soilless culture frame, includes soilless culture planting pipe (1), its characterized in that: the soilless culture planting device is characterized in that a crop planting groove (2) is formed in the upper end of the soilless culture planting pipe (1), a vertical connecting pipe (4) is fixedly connected to one end of the soilless culture planting pipe (1), horizontal connecting pipes (3) are fixedly connected to two sides of the vertical connecting pipe (4), a nutrient solution conveying port (5) is fixedly connected to one side of each horizontal connecting pipe (3), a supporting leg connecting mechanism (7) is fixedly connected to the lower end of each vertical connecting pipe (4), a nutrient solution liquid changing port (6) is fixedly connected to the lower end of each horizontal connecting pipe (3), a telescopic connecting leg (21) is movably connected to the lower end of each supporting leg connecting mechanism (7), a second telescopic shaft (20) is movably connected to the lower end of each telescopic shaft (20), a telescopic base (19) is movably connected to the lower end of each telescopic base (19), and a supporting arm storage box (17) is movably connected to the lower end of each telescopic base (19), one side of the supporting arm storage box (17) is movably connected with a movable rotating shaft (18), one end of the supporting arm storage box (17) is fixedly connected with a retractable supporting leg (8), the upper end of the retractable supporting leg (8) is provided with a first positioning hole (15), the interior of the retractable supporting leg (8) is provided with a first placing groove (16), the interior of the first placing groove (16) is movably connected with a supporting base (9), the interior of the supporting base (9) is provided with a second placing groove (22), the lower end of the hollow connecting pipe (10) is fixedly connected with a soilless culture frame rotary retractable base (23), the upper end of the soilless culture frame rotary retractable base (23) is provided with a second positioning hole (24), the interior of the second placing groove (22) is movably connected with a hollow connecting pipe (10), and the upper end of the hollow connecting pipe (10) is movably connected with a first retractable shaft (11), the upper end fixedly connected with connecting block (12) of telescopic shaft (11), both sides fixedly connected with support arm (13) of connecting block (12), the upper end fixedly connected with fixed pipe box (14) of support arm (13).
2. The soilless culture frame for landscape architecture buildings according to claim 1, characterized in that: the inside of fretwork connecting pipe (10) is through the lower extreme swing joint of telescopic shaft (11) and connecting block (12) No. one, be provided with waterproof glue between support arm (13) and fixed pipe box (14), the inboard of support arm (13) is through waterproof glue and one side fixed connection of fixed pipe box (14).
3. The soilless culture frame for landscape architecture buildings according to claim 1, characterized in that: can accomodate and be provided with the welding piece between flexible landing leg (8) and support arm receiver (17), can accomodate the one end fixed connection through welding piece and support arm receiver (17) around flexible landing leg (8), the lower extreme swing joint of activity pivot (18) and flexible base (19) is passed through to the front end of support arm receiver (17).
4. The soilless culture frame for landscape architecture buildings according to claim 1, characterized in that: the upper end of the telescopic base (19) is movably connected with the lower end of the telescopic connecting leg (21) through a second telescopic shaft (20), a clamping groove is formed between the telescopic connecting leg (21) and the supporting leg connecting mechanism (7), and the upper end of the telescopic connecting leg (21) is fixedly connected with the lower end of the supporting leg connecting mechanism (7) through the clamping groove.
5. The soilless culture frame for landscape architecture buildings according to claim 1, characterized in that: the soilless culture frame is characterized in that a welding wire is arranged between the supporting base (9) and the soilless culture frame rotary telescopic base (23), the lower end of the supporting base (9) is fixedly connected with the upper end of the soilless culture frame rotary telescopic base (23) through the welding wire, and the supporting base (9) is movably connected with the lower end of the hollow connecting pipe (10) through a second placing groove (22).
6. The soilless culture frame for landscape architecture buildings according to claim 1, characterized in that: the inside that can accomodate flexible landing leg (8) is through the inside fixed connection of a locating hole (15), No. two locating holes (24) and support base (9), be provided with the solvent-free super glue between horizontal connecting pipe (3) and perpendicular connecting pipe (4), the one end fixed connection of solvent-free super glue and perpendicular connecting pipe (4) is passed through to the both sides of horizontal connecting pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120455138.6U CN215380559U (en) | 2021-02-25 | 2021-02-25 | Landscape building soilless culture frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120455138.6U CN215380559U (en) | 2021-02-25 | 2021-02-25 | Landscape building soilless culture frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215380559U true CN215380559U (en) | 2022-01-04 |
Family
ID=79667630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120455138.6U Active CN215380559U (en) | 2021-02-25 | 2021-02-25 | Landscape building soilless culture frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215380559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4248735A1 (en) * | 2022-03-23 | 2023-09-27 | GS-Pipe Mérnöki, Kereskedelmi És Szolgáltató Kft. | Modular aquaponic plant growing apparatus |
-
2021
- 2021-02-25 CN CN202120455138.6U patent/CN215380559U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4248735A1 (en) * | 2022-03-23 | 2023-09-27 | GS-Pipe Mérnöki, Kereskedelmi És Szolgáltató Kft. | Modular aquaponic plant growing apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215380559U (en) | Landscape building soilless culture frame | |
| CN207355080U (en) | A kind of cultivation device of mushroom plantation | |
| CN211353357U (en) | Garden engineering is with holding up wooden strutting arrangement | |
| CN113711882B (en) | Transfer device is transplanted with green to afforestation | |
| CN214853274U (en) | Municipal garden afforestation construction is with planting tree device | |
| CN213662697U (en) | Seedling culture rack for gardens capable of automatically supplying water | |
| CN205337004U (en) | Green wall of planting of campus view | |
| CN211671587U (en) | Seedling growing frame for rice cultivation | |
| CN207185360U (en) | Energy-saving plant exterior wall supporting structure | |
| CN208387521U (en) | A kind of fruits and vegetables plantation frame that can adjust angle | |
| CN207340673U (en) | Cultivation of garden seedlings frame | |
| CN220935818U (en) | Orchid planting and cultivating device | |
| CN219877060U (en) | Novel fungus greenhouse drip irrigation planting frame | |
| CN216795871U (en) | Modern agriculture is with device of growing seedlings convenient to operation | |
| CN209732178U (en) | Horizontal adjusting device for erecting drip irrigation pipeline | |
| CN219577926U (en) | Foldable seedling raising arch shed | |
| CN212728311U (en) | A water conservation equipment of spraying for landscape | |
| CN111742831A (en) | Hydroponic device for vegetation | |
| CN218277976U (en) | Low-carbon energy-saving seedling culture device | |
| CN205213579U (en) | A multi -functional transport vechicle of hanging single track of arm for growing seedlings in canopy | |
| CN219124888U (en) | Seedling cultivation device for landscaping | |
| CN218831386U (en) | Grafting auxiliary device for fruit tree planting | |
| CN211861390U (en) | A soilless culture device for fruit sapling is cultivated | |
| CN210928850U (en) | Movable seedling growth cultivation device | |
| CN212013747U (en) | Environment-friendly combined bracket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |