CN217958491U - Walking interval adjustable removes and spouts medicine device - Google Patents
Walking interval adjustable removes and spouts medicine device Download PDFInfo
- Publication number
- CN217958491U CN217958491U CN202222183295.3U CN202222183295U CN217958491U CN 217958491 U CN217958491 U CN 217958491U CN 202222183295 U CN202222183295 U CN 202222183295U CN 217958491 U CN217958491 U CN 217958491U
- Authority
- CN
- China
- Prior art keywords
- frame
- transmission shaft
- driving
- wheel
- walking
- 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
Landscapes
- Transplanting Machines (AREA)
Abstract
The utility model provides a walking interval adjustable removes spouts medicine device, include running gear and spout the medicine device, spout the medicine device setting on running gear to remove along with running gear and spout the medicine operation, running gear includes frame, actuating mechanism and drive wheel, actuating mechanism sets up in the frame, and actuating mechanism's both sides are provided with telescopic transmission shaft group, the drive wheel sets up in the both sides of frame, and installs respectively on the telescopic transmission shaft group of actuating mechanism both sides to drive through actuating mechanism, telescopic transmission shaft group can stretch out and draw back, adjusts to the wheel space between the drive wheel to frame both sides, so that the drive wheel adaptation is walked between the seedling ridge or the seedling row of different width, improves the convenience of spouting the medicine, avoids the crops of drive wheel pair planting to cause to roll.
Description
Technical Field
The utility model relates to a medicine technical field is spouted to crops, concretely relates to medicine device is spouted in removal of walking interval adjustable.
Background
In the planting process, crops are usually damaged by diseases and pests and weeds, in order to improve the planting survival rate and yield of the crops, pesticides need to be sprayed regularly to prevent or control the diseases and pests and the weeds or purposefully control the growth and breeding of the plants to ensure that the crops can grow healthily, a knapsack sprayer is adopted in a traditional pesticide spraying mode, and spraying is carried out manually.
SUMMERY OF THE UTILITY MODEL
In view of this, it is necessary to provide a movable pesticide spraying device with adjustable walking distance for improving pesticide spraying convenience.
The utility model provides a walking interval adjustable removes spouts medicine device, includes running gear and spouts the medicine device, spout the medicine device setting on running gear to spout the medicine operation with running gear removes, running gear includes frame, actuating mechanism and drive wheel, actuating mechanism sets up in the frame, and actuating mechanism's both sides are provided with telescopic transmission shaft group, the drive wheel sets up in the both sides of frame, and installs respectively on the telescopic transmission shaft group of actuating mechanism both sides to drive through actuating mechanism, telescopic transmission shaft group can stretch out and draw back, adjusts with the wheel base between the drive wheel to the frame both sides, so that the drive wheel adaptation is walked between the seedling ridge or seedling row of different width.
Preferably, telescopic driving shaft group includes drive shaft and driving sleeve, the drive shaft is horizontal symmetry respectively and sets up actuating mechanism's both sides, driving sleeve's one end and drive shaft carry out the axial and cup joint, and the other end extends to the outside of frame, is connected with the drive wheel, actuating mechanism drives the drive wheel through drive shaft and driving sleeve, driving sleeve can drive the drive wheel and remove along the axial of drive shaft to adjust the wheel base between the drive wheel to the frame both sides.
Preferably, the driving shaft is provided with a plurality of adjusting holes, the adjusting holes are formed at intervals along the axial direction of the driving shaft, the transmission shaft sleeve is provided with positioning pins, and the positioning pins move along with the transmission shaft sleeve and can be inserted into any adjusting hole to position and lock the transmission shaft sleeve.
Preferably, the walking device further comprises balance wheels, the balance wheels are arranged on two sides of the rack and located behind the driving wheels, and the wheel distance between the balance wheels can be adjusted.
Preferably, the rear end parallel arrangement of frame has the crossbeam, is provided with the mounting bracket respectively at the both ends of crossbeam, the mounting bracket cover is established on the crossbeam to can remove along the crossbeam, the stabilizer wheel sets up respectively on the mounting bracket at crossbeam both ends to follow the mounting bracket and remove along the crossbeam, adjust the wheel distance between the stabilizer wheel, so that the stabilizer wheel adaptation is walked between the seedling ridge or the seedling row of different width.
Preferably, a fixed handle is arranged on the mounting frame, and the position of the mounting frame can be locked.
Preferably, the dead ahead of the walking direction of drive wheel is provided with first guard bar, first guard bar is close to the drive wheel to follow the frame and remove, to dial the vegetation branch and leaf in drive wheel the place ahead and leave.
Preferably, first guard bar includes pin, regulation pole and locating lever, the locating lever transversely sets up in the frame, adjust the pole and cup joint the setting with the locating lever to can stretch out and draw back to the outside of frame along the locating lever, the pin vertically sets up at the outside flexible tip of regulation pole to can follow the regulation pole and carry out flexible regulation, so that the pin is located the dead ahead of the walking direction of drive wheel, still be provided with adjustment handle on the locating lever, can lock the adjusting lever.
Preferably, be provided with the second protection pole on the mounting bracket, the perpendicular setting of second protection pole is in the dead ahead of the walking direction of stabilizer to be close to the stabilizer, to dial away from the crops branches and leaves in stabilizer the place ahead.
Preferably, spout the medicine device and include liquid medicine storage tank, shower nozzle and booster pump, liquid medicine storage tank and booster pump setting are in the frame, the shower nozzle sets up the lower extreme in the frame, the output of liquid medicine storage tank is connected with the input of booster pump, the output of booster pump is connected with the input of shower nozzle, carries out the pressure boost and carries for the shower nozzle to spout the medicine operation to the liquid medicine in the liquid medicine storage tank through the booster pump.
The utility model adopts the above technical scheme, its beneficial effect lies in: through the telescopic transmission shaft group that actuating mechanism both sides set up, can adjust the wheel interval of the drive wheel of frame both sides to make running gear adaptable plant seedling ridge or the seedling row at any crops walk, improve the convenience of spouting the medicine, avoid the drive wheel to cause to roll to the crops of planting.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of another perspective structure of the present invention.
Fig. 3 is a schematic side view of the present invention.
Fig. 4 is a front view of the utility model.
Fig. 5 is a schematic top view of the present invention.
In the figure: the walking device 10, the frame 101, the driving mechanism 102, the driving machine 1021, the gear box 1022, the operating handle 1023, the telescopic transmission shaft set 103, the driving wheel 104, the driving shaft 1031, the transmission shaft sleeve 1032, the adjusting hole 1033, the positioning pin 1034, the balance wheel 105, the cross beam 106, the mounting frame 107, the fixed handle 108, the telescopic transmission shaft set 103, the driving shaft 1031, the transmission shaft sleeve 1032, the fixed handle,
The first guard bar 109, the stop lever 1091, the adjusting lever 1092, the positioning lever 1093, the adjusting handle 1094, the second guard bar 110, the seat 111, the spraying device 20, the chemical liquid storage tank 201, the booster pump 202, and the nozzle 203.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Please refer to fig. 1 or fig. 2, the embodiment of the present invention provides a walking pitch adjustable mobile pesticide spraying device, including a walking device 10 and a pesticide spraying device 20, the pesticide spraying device 20 is disposed on the walking device 10 and moves with the walking device 10 to perform pesticide spraying operation, the walking device 10 includes a frame 101, a driving mechanism 102 and a driving wheel 104, the driving mechanism 102 is disposed on the frame 101, telescopic transmission shaft sets 103 are disposed on two sides of the driving mechanism 102, the driving wheel 104 is disposed on two sides of the frame 101, and is respectively mounted on the telescopic transmission shaft sets 103 on two sides of the driving mechanism 102 and is driven by the driving mechanism 102, the telescopic transmission shaft sets 103 can be extended and retracted to adjust the wheel distance between the driving wheels 104 on two sides of the frame 101, so that the driving wheel 104 is adapted to walking between seedling ridges or seedlings with different widths.
Specifically, the driving mechanism 102 includes a driving machine 1021, a transmission case 1022 and a control handle 1023, the driving machine 1021 is an internal combustion engine or an electric motor, and can work by filling fuel or charging or external power supply, the driving machine 1021 and the transmission case 1022 are disposed in the middle of the rack 101, the power input end of the transmission case 1022 is connected with the power output end of the driving machine 1021, the two telescopic transmission shaft assemblies 103 are disposed at the power output ends of the transmission case 1022, the two driving wheels 104 are disposed at the two sides of the rack 101 and mounted on the telescopic transmission shaft assemblies 103 at the two sides of the transmission case 1022 respectively, and are driven by the driving machine 1021 to travel, the control handle 1023 is disposed on the transmission case 1022 to control the power output and steering of the transmission case 1022, when the pesticide spraying operation is performed, the telescopic transmission shaft assemblies 103 can be telescopically disposed to adjust the wheel distance between the driving wheels 104, so that the driving wheels 104 adapt to travel between seedlings or between seedlings with different widths, and rolling of the driving wheels 104 is avoided.
Referring to fig. 2, 4 and 5, further, the telescopic transmission shaft groups 103 are two groups, each group includes a driving shaft 1031 and a transmission shaft housing 1032, the two groups of driving shafts 1031 are respectively and symmetrically disposed on two sides of the driving mechanism 102, the two groups of transmission shaft housings 1032 are respectively disposed on the driving shafts 1031 on two sides of the driving mechanism 102, one end of the transmission shaft housing 1032 is axially sleeved with the driving shaft 1031, the other end of the transmission shaft housing 1032 extends in the axial direction of the driving shaft 1031 to the outside of the rack 101 and is axially connected to the driving wheel 104, the transmission shaft housing 1032 is axially movable along the driving shaft 1031, the driving mechanism 102 drives the driving wheel 104 through the driving shaft 1031 and the transmission shaft housing 1032, the transmission shaft housing 1032 can drive the driving wheel 104 to move in the axial direction of the driving shaft 1031, so as to adjust the wheel pitch between the driving wheels 104 on two sides of the rack 101, such as: in the embodiment, the driving shaft 1031 and the driving sleeve 1032 are preferably in a regular hexagonal structure and are nested with each other, so that the track between the two driving wheels 104 can be increased when moving in the direction of the outer side of the frame 101, and the track between the two driving wheels 104 can be decreased when moving in the direction of the driving mechanism 102, so that the track between the driving wheels 104 can be adapted to the walking between the seedling ridges or the seedling rows with different widths.
Furthermore, a plurality of adjusting holes 1033 are longitudinally arranged on the driving shaft 1031, the adjusting holes 1033 are arranged at intervals along the axial direction of the driving shaft 1031, the interval distance is 3-5cm, a positioning pin 1034 is arranged on the driving shaft sleeve 1032, the positioning pin 1034 longitudinally penetrates through the driving shaft sleeve 1032, moves along with the driving shaft sleeve 1032 and can be inserted into any adjusting hole 1033, a fixing ring is arranged on the positioning pin 1034, the positioning pin 1034 can be detached, and the adjusting holes 1033 at proper positions can be selected according to the interval between seedling ridges or seedling rows to position and lock the driving shaft sleeve 1032; in use, one side of the frame 101 is lifted upwards by manual assistance to suspend the driving wheel 104, and the driving wheel 104 is pulled outwards or inwards to move and the positioning pin 1034 on the driving shaft sleeve 1032 is correspondingly inserted into the proper adjusting hole 1033 on the driving shaft 1031 to be locked.
Referring to fig. 1 to 3, further, the traveling device 10 further includes two balance wheels 105, the two balance wheels 105 are respectively disposed on two sides of the frame 101 and behind the driving wheel 104, the traveling directions of the balance wheels 105 and the driving wheel 104 are the same, and the wheel distance between the balance wheels 105 is adjustable, preferably, the wheel distance is the same as the wheel distance of the driving wheel 104; in this embodiment, the frame 101 is divided into a front end frame 101 and a rear end frame 101, the front end frame 101 and the rear end frame 101 are horizontally hinged, the driving wheels 104 and the driving mechanism 102 are provided on the front end frame 101, the balance wheel 105 is provided on the rear end frame 101, and the driving wheels 104 can be controlled to walk and steer by operating the handle 1023.
Further, rear end frame 101 parallel arrangement has crossbeam 106, is provided with mounting bracket 107 respectively at the both ends of crossbeam 106, mounting bracket 107 cover is established on crossbeam 106 to can remove along crossbeam 106, stabilizer 105 sets up respectively on the mounting bracket 107 at crossbeam 106 both ends, and follows mounting bracket 107 and remove along crossbeam 106, adjust the wheel base between stabilizer 105, so that stabilizer 105 adapts to and walks between the seedling ridge or the seedling row of different widths, can add seat 111 on crossbeam 106, the workman's of being convenient for operation also can increase rear end frame 101 counter weight.
Further, a fixed handle 108 is arranged on the mounting frame 107, and the fixed handle 108 is in threaded fit connection with the mounting frame 107 and can lock the position of the mounting frame 107.
With continued reference to fig. 1 to 3, further, a first protection rod 109 is disposed right ahead of the driving wheel 104 in the traveling direction, and the first protection rod 109 is close to the driving wheel 104 and moves along with the frame 101 to pull off the branches and leaves of the crops in front of the driving wheel 104, so as to prevent the branches and leaves of the crops from extending to the ridge or between the rows of seedlings and being rolled by the driving wheel 104 to cause damage.
Further, first guard bar 109 includes pin 1091, adjusts pole 1092 and locating lever 1093, locating lever 1093 transversely sets up in frame 101, adjust pole 1092 and locating lever 1093 cup joints the setting to can stretch out and draw back to the outside of frame 101 along locating lever 1093, pin 1091 vertically sets up the outside flexible tip at adjusting pole 1092, and can follow and adjust pole 1092 and stretch out and draw back, so that pin 1091 is located the dead ahead of the walking direction of drive wheel 104, still be provided with adjustment handle 1094 on the locating lever 1093, can lock adjusting lever 1092, at the in-process of frame 101 walking, block the crops branches and leaves in front of drive wheel 104 through pin 1091 to dial to the both sides of drive wheel 104, in order to prevent that the branches and leaves of crops from extending to between the ridge or between the seedling row, rolled by drive wheel 104, cause the harm.
With continued reference to fig. 1 to 3, further, a second protection rod 110 is disposed on the mounting frame 107, the second protection rod 110 is vertically disposed right ahead of the balance wheel 105 in the traveling direction and close to the balance wheel 105 to pull away the vegetation branches and leaves in front of the balance wheel 105, and the function of the second protection rod is the same as that of the protection rod disposed in front of the driving wheel 104.
With continuing reference to fig. 1 to fig. 3, further, the chemical spraying device 20 includes a chemical liquid storage tank 201, a nozzle 203 and a booster pump 202, the chemical liquid storage tank 201 and the booster pump 202 are disposed on the frame 101, the nozzle 203 is disposed at the lower end of the frame 101, and a plurality of groups can be disposed, an output end of the chemical liquid storage tank 201 is connected to an input end of the booster pump 202 through a conduit, an output end of the booster pump 202 is connected to an input end of the nozzle 203 through a conduit, and the booster pump 202 boosts the chemical liquid in the chemical liquid storage tank 201 and delivers the pressurized chemical liquid to the nozzle 203 for chemical spraying operation.
When the device is used specifically, one side of the rack 101 is lifted upwards through manual assistance, the driving wheel 104 on the side is suspended, the driving wheel 104 is pulled outwards or inwards to move, the positioning pin 1034 on the transmission shaft sleeve 1032 is correspondingly inserted into the proper adjusting hole 1033 on the driving shaft 1031 to be locked, the driving wheels 104 on the two sides of the rack 101 are positioned at the center between seedling ridges or seedling rows, and the adjustment is carried out through the mode, so that the walking device 10 can be suitable for walking between the planting seedling ridges or seedling rows of any crops, the pesticide spraying convenience is improved, and the driving wheel 104 is prevented from rolling the planted crops; in addition, the first guard bar 109 and the second guard bar 110 are arranged in front of the driving wheel 104 and the balance wheel 105 in the advancing direction, so that branches and leaves of crops can be blocked, the branches and leaves of the crops are prevented from being rolled by the driving wheel 104 and the balance wheel 105, and the crops are protected.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a walking interval adjustable removes spouts medicine device which characterized in that: including running gear and spout the medicine device, spout the setting of medicine device on running gear to remove along with running gear and spout the medicine operation, running gear includes frame, actuating mechanism and drive wheel, actuating mechanism sets up in the frame, and actuating mechanism's both sides are provided with telescopic transmission shaft group, the drive wheel sets up in the both sides of frame, and installs respectively on the telescopic transmission shaft group of actuating mechanism both sides to drive through actuating mechanism, telescopic transmission shaft group can stretch out and draw back, adjusts with the wheel base between the drive wheel to the frame both sides, so that the drive wheel adaptation is walked between the seedling ridge or the seedling intertidal at different widths.
2. The walking pitch adjustable mobile pesticide spraying device as claimed in claim 1, wherein: the telescopic transmission shaft group comprises a driving shaft and a transmission shaft sleeve, the driving shaft is respectively and symmetrically arranged on two sides of a driving mechanism, one end of the transmission shaft sleeve is axially sleeved with the driving shaft, the other end of the transmission shaft sleeve extends to the outer side of the rack and is connected with the driving wheel, the driving mechanism drives the driving wheel through the driving shaft and the transmission shaft sleeve, and the transmission shaft sleeve can drive the driving wheel to move along the axial direction of the driving shaft so as to adjust the wheel distance between the driving wheels on two sides of the rack.
3. The walking pitch adjustable mobile pesticide spraying device as claimed in claim 2, wherein: the driving shaft is provided with a plurality of adjusting holes which are arranged at intervals along the axial direction of the driving shaft, the transmission shaft sleeve is provided with positioning pins, and the positioning pins move along with the transmission shaft sleeve and can be inserted into any adjusting hole to position and lock the transmission shaft sleeve.
4. The walking pitch adjustable mobile pesticide spraying device as claimed in claim 1, wherein: the walking device further comprises balance wheels, the balance wheels are arranged on two sides of the rack and located behind the driving wheels, and the wheel distance between the balance wheels can be adjusted.
5. The walking pitch adjustable mobile pesticide spraying device as claimed in claim 4, wherein: the rear end parallel of frame is provided with the crossbeam, is provided with the mounting bracket respectively at the both ends of crossbeam, the mounting bracket cover is established on the crossbeam to can remove along the crossbeam, the stabilizer sets up respectively on the mounting bracket at crossbeam both ends to follow the mounting bracket and remove along the crossbeam, adjust the wheel base between the stabilizer, so that the stabilizer adaptation is walked between the seedling ridge or seedling row of different width.
6. The movable pesticide spraying device with adjustable walking distance according to claim 5, characterized in that: the mounting rack is provided with a fixed handle, and the position of the mounting rack can be locked.
7. The walking pitch adjustable mobile pesticide spraying device as claimed in claim 1, 3 or 6, wherein: the dead ahead of the walking direction of drive wheel is provided with first fender rod, first fender rod is close to the drive wheel to follow the frame and remove, dial the vegetation branch and leaf in drive wheel the place ahead and leave.
8. The walking pitch adjustable mobile pesticide spraying device as claimed in claim 7, wherein: first guard bar includes pin, regulation pole and locating lever, the locating lever transversely sets up in the frame, it cup joints the setting with the locating lever to can stretch out and draw back to the outside of frame along the locating lever, the pin vertically sets up at the outside flexible tip of regulation pole to can follow the regulation pole and stretch out and draw back and adjust, so that the pin is located the dead ahead of the walking direction of drive wheel, still be provided with adjustment handle on the locating lever, can lock the adjusting lever.
9. The movable pesticide spraying device with adjustable walking distance according to claim 6, characterized in that: be provided with the second guard bar on the mounting bracket, the perpendicular setting of second guard bar is in the dead ahead of the walking direction of stabilizer to be close to the stabilizer, to dial away from the crops branch and leaf in stabilizer the place ahead.
10. The walking pitch adjustable mobile pesticide spraying device as claimed in claim 1, wherein: spout the medicine device and include liquid medicine storage tank, shower nozzle and booster pump, liquid medicine storage tank and booster pump setting are in the frame, the shower nozzle sets up the lower extreme in the frame, the output of liquid medicine storage tank is connected with the input of booster pump, the output of booster pump is connected with the input of shower nozzle, carries out the pressure boost and carries for the shower nozzle to spout the medicine operation to the liquid medicine in the liquid medicine storage tank through the booster pump.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222183295.3U CN217958491U (en) | 2022-08-18 | 2022-08-18 | Walking interval adjustable removes and spouts medicine device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222183295.3U CN217958491U (en) | 2022-08-18 | 2022-08-18 | Walking interval adjustable removes and spouts medicine device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217958491U true CN217958491U (en) | 2022-12-06 |
Family
ID=84259150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202222183295.3U Active CN217958491U (en) | 2022-08-18 | 2022-08-18 | Walking interval adjustable removes and spouts medicine device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217958491U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116076180A (en) * | 2023-02-10 | 2023-05-09 | 宁夏大学 | Adjustable sand water-retaining fertilizer applicator |
-
2022
- 2022-08-18 CN CN202222183295.3U patent/CN217958491U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116076180A (en) * | 2023-02-10 | 2023-05-09 | 宁夏大学 | Adjustable sand water-retaining fertilizer applicator |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106172354B (en) | Directional air-assisted electrostatic sprayer of dispersed wind source | |
US4683969A (en) | Dimensionally-adjustable straddle-type crop-working vehicle | |
CN217958491U (en) | Walking interval adjustable removes and spouts medicine device | |
US5901800A (en) | High clearance tractor | |
CN101946756A (en) | High-clearance self-propelled lance boom spraying device | |
CN217657841U (en) | Self-propelled dual-system belt-dividing precision spraying machine | |
CN204579633U (en) | Self-propelled pesticide spraying machine | |
CN206744361U (en) | A kind of hand propelled power-assisted profiling boom sprayer | |
CN109964908B (en) | A pesticide sprinkler for maintenance is planted to fruit tree | |
CN204948669U (en) | Multi -purpose sprinkling irrigation tractor | |
CN218959889U (en) | Plant protection is with spouting medicine equipment | |
KR102465257B1 (en) | Steering movement control device with adjustable spray height and direction | |
CN205848462U (en) | A kind of be applicable to orchard, the motor-driven self-propelled multifunctional scale insecticide sprayer sprayed insecticide in farmland | |
CN105165160A (en) | Multipurpose sprinkling irrigation towing vehicle | |
KR101920690B1 (en) | Devices for supplying fluids to crops | |
CN203425955U (en) | Multifunctional walking engine-driven self-propelled pesticide sprayer | |
CN201552086U (en) | Self-propelled long-stalk crop sprayer | |
CN210746841U (en) | Self-propelled overhead pesticide spraying machine | |
CN210054138U (en) | Mobilizable irrigation equipment is planted to nursery stock | |
CN205946987U (en) | Locomotive self -running type multifunctional pesticide spraying machine | |
CN219460181U (en) | Surface pesticide sprayer for high-stalk crop management | |
CN203424194U (en) | Locomotive self-running type multifunctional pesticide spraying machine | |
CN219205240U (en) | High-clearance electric plant protection and topdressing integrated machine | |
CN203952223U (en) | A kind of spray bar type spraying machine with height position-limit mechanism | |
CN216821418U (en) | Orchard spraying equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |