CN110140497A - The fertilizer and conveying device of fertilizer applicator - Google Patents
The fertilizer and conveying device of fertilizer applicator Download PDFInfo
- Publication number
- CN110140497A CN110140497A CN201910589926.1A CN201910589926A CN110140497A CN 110140497 A CN110140497 A CN 110140497A CN 201910589926 A CN201910589926 A CN 201910589926A CN 110140497 A CN110140497 A CN 110140497A
- Authority
- CN
- China
- Prior art keywords
- fertilizer
- box
- collected manure
- defertilizing
- defertilizing box
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
- A01C15/04—Fertiliser distributors using blowers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The present invention relates to rice transplanting fertilizer applicator technical fields, and in particular to the fertilizer and conveying device of fertilizer applicator；It, which uses common Geneva mechanism in industrial other field, realizes intermittent rotary, to ensure that duration when collected manure slot directed downwardly discharges fertilizer downward is largely increased, ensure that moist fertilizer being capable of more thorough whereabouts under the effect of gravity.The fertilizer mechanism structure of Geneva mechanism is simple, at low cost, not easy break-down.It additionally uses the collected manure grooved ring shape array distribution design of even number, and upward, the collected manure slot waiting time upward also synchronizes to be elongated another collected manure slot when ensure that a collected manure slot downward, and moist fertilizer is also easier to fill up the collected manure slot of top.
Description
Technical field
The present invention relates to rice transplanting fertilizer applicator technical fields, and in particular to the fertilizer and conveying device of fertilizer applicator.
Background technique
The synchronous side deep fertilizing of rice transplanting, which refers to, equably imposes on certain depth for fertilizer concentration while rice transplanting
Fertilization mode in soil.The synchronous fertilising of rice transplanting, disposably completes fertilising operation while rice transplanting, eliminates people
Work broadcast application link, considerably reduces labor intensity, has saved labor cost.Deep application of fertilizer also helps rice growing season fertilizer
Material absorbs, and can promote root growth and development, can extend fertilizer efficiency, improves utilization rate of fertilizer, guarantees that rice growing season is especially grown
The supply of later period nutrient.The advantage that fertilizer is concentrated is: fertilizer contacts few, the concentration of fertilizer height of fertilizer placement, microorganism with soil
It obtains less, denitrogenation is few, and the fertilizer that can be utilized by rice absorbing is more, and utilization rate is high.
But in rice transplanting, equipment is in hot, high humidity environment, and fertiliser granulates surface humidity is melted, flowing
Property be deteriorated.In addition rainy weather is such as encountered during fertilising equally causes fertiliser granulates surface moist, poor fluidity.
Poor fluidity later just needs the longer gravity time to guarantee that moist fertiliser granulates take off from roller
From, and existing fertilizer applicator is all to do circular motion at the uniform velocity, time of the collected manure slot of roller really towards underface is very short,
Moist fertilizer cannot completely disengage collected manure slot, and fertilization effect is poor.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of structure is simple, design rationally, make
With the fertilizer and conveying device of convenient fertilizer applicator, it includes fertilizer box, Geneva mechanism, gear-box, driving motor, multiple fertilizers
Box roller corresponding with defertilizing box quantity, fertilizer expelling shaft, steelframe, fertilizer delivering pipe connect tube socket；The fertilizer box feed opening of fertilizer box bottom and
Detachable installation is docked at the upper port of defertilizing box to fix；Multiple rollers are sleeved on a fertilizer expelling shaft, pass through fertilizer expelling shaft
Rotation drive roller rotation；Fertilizer expelling shaft is corresponding in multiple defertilizing box, each defertilizing box to be provided with a roller；
Multiple defertilizing box side-by-sides are fixed on steelframe；Gear-box and driving motor are fixed on steelframe；Driving motor is logical
It crosses gear-box and Geneva mechanism transmission drives fertilizer expelling shaft rotation；The power that the sheave driving disc spacing pressing of Geneva mechanism is mounted on gear-box is defeated
On shaft；The sheave driven disc of Geneva mechanism is mounted on fertilizer expelling shaft；There is the cotter way of even number in sheave driven disc, sells
Along the driven disk center of sheave, battle array is distributed slot in a ring；The outer peripheral surface of roller is equipped with multiple collected manure slots, the quantity for slot of collecting manure
It is equal with the quantity of cotter way in sheave driven disc；Roller does intermittent circular motion under the driving of Geneva mechanism, interval
When one collected manure slot upward, a collected manure slot is downward；Fertilizer delivering pipe connection tube socket is installed at the base opening of defertilizing box.
As preferred: it further includes blower, air supply pipe；The fertilizer delivering pipe connection tube socket is Venturi tube, three of them mouth
Portion is respectively defertilizing box connecting tube, gas supply adapter tube, defeated fertilizer adapter tube；Assembling is connected to gas supply by air supply pipe and connects on steelframe
Pipe；Defertilizing box connecting tube connects in the fertilizer outlet portion of defertilizing box bottom；Defeated fertilizer adapter tube is for connecting external fertilizer delivering pipe；Defertilizing box connecting tube
The angle of cut between gas supply adapter tube is acute angle.
As preferred: the cotter way number in the sheave driven disc is six.
As preferred: the angle of cut α value between the defertilizing box connecting tube and gas supply adapter tube is 45-70 degree.
After adopting the above structure, the invention has the following beneficial effects:
1. the fertilizer and conveying device of fertilizer applicator of the present invention, it uses common sheave in industrial other field
Mechanism realizes intermittent rotary, collected manure slot appropriate adjustment when roller is installed, in conjunction with the intermittent exercise principle of Geneva mechanism,
To which duration when ensure that collected manure slot directed downwardly discharges fertilizer downward is largely increased, it ensure that moist fertilizer can be
More thorough whereabouts under gravity.The fertilizer mechanism structure of Geneva mechanism is simple, at low cost, not easy break-down.
2. the fertilizer and conveying device of fertilizer applicator of the present invention, it uses the collected manure slot annular array of even number
Distribution design, upward, the collected manure slot waiting time upward also synchronizes quilt to another collected manure slot when ensure that a collected manure slot downward
It elongates, moist fertilizer is also easier to fill up the collected manure slot of top.
3. the fertilizer and conveying device of fertilizer applicator of the present invention, the strength blowing system that it uses Venturi tube is set
Meter, when air-flow is flowed through at the trunnion of Venturi tube, under Venturi effect, can generate downward suction in defertilizing box connecting tube, this
Sample is conducive to fertilizer and swimmingly conveys downwards.It is arranged at an acute angle between defertilizing box connecting tube and gas supply adapter tube, ensure that defertilizing box connects
The inclination of pipe, fertiliser granulates enter after horizontal pipe the component velocity for remaining horizontal direction, are also beneficial to smooth conveying.
Detailed description of the invention
Described herein the drawings are intended to provide a further understanding of the invention, constitutes part of this application, but
It does not constitute improper limitations of the present invention, in the accompanying drawings:
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the positional diagram of defertilizing box and roller in the present invention；
Fig. 3 is another angular views of Fig. 2；
Fig. 4 is the schematic diagram of Geneva mechanism in the present invention；
Fig. 5 is the structural schematic diagram of fertilizer delivering pipe connection tube socket in the present invention；
Fig. 6 is fertilizer delivering pipe connection tube socket connection schematic diagram.
Description of symbols:
1- fertilizer box, 2- fertilizer box feed opening, 3- Geneva mechanism, 4- gear-box, 5- driving motor, 6- defertilizing box, 7- roller,
8- fertilizer expelling shaft, 9- steelframe, 10- fertilizer delivering pipe connection tube socket, 11- blower, 12- air supply pipe, 13- fertilizer delivering pipe, 3-1 sheave driving disc spacing pressing,
3-2 sheave driven disc, 7-1 collected manure slot, 10-1 defertilizing box connecting tube, 10-2 gas supply adapter tube, the defeated fertilizer adapter tube of 10-3.
Specific embodiment
Come that the present invention will be described in detail below in conjunction with attached drawing and specific embodiment, illustrative examples therein and says
It is bright to be only used to explain the present invention but not as a limitation of the invention.
As shown in figures 1 to 6, the fertilizer and conveying device of fertilizer applicator described in present embodiment, it includes fertilizer box 1, slot
Take turns mechanism 3, gear-box 4, driving motor 5, the roller 7 corresponding with 6 quantity of defertilizing box of multiple defertilizing box 6, fertilizer expelling shaft 8, steelframe
9, fertilizer delivering pipe connects tube socket 10；Detachable installation is docked at the fertilizer box feed opening 2 of 1 bottom of fertilizer box and the upper port of defertilizing box 6
It is fixed；Multiple rollers 7 are sleeved on a fertilizer expelling shaft 8, drive roller 7 to rotate by the rotation of fertilizer expelling shaft 8；Fertilizer expelling shaft 8
It is corresponding in each defertilizing box 6 to be provided with a roller 7 across multiple defertilizing box 6；Multiple 6 side-by-side of defertilizing box installations are solid
It is scheduled on steelframe 9；Gear-box 4 and driving motor 5 are fixed on steelframe 9；Driving motor 5 passes through gear-box 4 and sheave machine
The transmission of structure 3 drives fertilizer expelling shaft 8 to rotate；The sheave driving disc spacing pressing 3-1 of Geneva mechanism 3 is mounted on the power output shaft of gear-box 4；Slot
The sheave driven disc 3-2 of wheel mechanism 3 is mounted on fertilizer expelling shaft 8；The cotter way of even number, cotter way are equipped in sheave driven disc 3-2
Along the center sheave driven disc 3-2, battle array is distributed in a ring；The outer peripheral surface of roller 7 is equipped with multiple collected manure slot 7-1, and collect manure slot 7-
The quantity of cotter way is equal in 1 quantity and sheave driven disc 3-2；Roller 7 does intermittent circle under the driving of Geneva mechanism 3
Zhou Yundong, upward, a collected manure slot 7-1 is downward by one collected manure slot 7-1 when interval；Fertilizer delivering pipe is installed at the base opening of defertilizing box 6
Connect tube socket 10.
As preferred: it further includes blower 11, air supply pipe 12；The fertilizer delivering pipe connection tube socket 10 is Venturi tube,
Three oral areas are respectively defertilizing box connecting tube 10-1, gas supply adapter tube 10-2, defeated fertile adapter tube 10-3；Blower 10 is mounted on steelframe 9, is led to
It crosses air supply pipe 12 and is connected to gas supply adapter tube 10-2；Defertilizing box connecting tube 10-1 meets the fertilizer outlet portion in 6 bottom of defertilizing box；Defeated fertilizer adapter tube
10-3 is used to connect external fertilizer delivering pipe 13；The angle of cut between defertilizing box connecting tube 10-1 and gas supply adapter tube 10-2 is acute angle.
As preferred: the cotter way number in the sheave driven disc 3-2 is six.
As preferred: the angle of cut α value between the defertilizing box connecting tube 10-1 and gas supply adapter tube 10-2 is 45-70 degree.
An equipment in the present embodiment, fertilizer box 1 fill six corresponding defertilizing box 6 below, are equipped with one in each defertilizing box 6
A roller 7 completes the fertilizer work of corresponding row.The top of defertilizing box 6 is connected to 1 bottom of fertilizer box in Fig. 1.Roller cylinder
Shape, and circumferentially surface is evenly distributed with six groups of collected manure slot 7-1, and roller 7 is keyed with the fertilizer expelling shaft 8 being located therein,
The rotation of fertilizer expelling shaft 8 can drive roller 7 to rotate.Fertilizer expelling shaft 8 is connected with the sheave driven disc 3-2 of Geneva mechanism 3, and sheave is actively
Disk 3-1 is connected with 4 output shaft of gear-box, and 4 input shaft of gear-box is connected with 5 axis of driving motor.Driving motor 5 passes through gear-box 4
After speed change, driving sheave mechanism 3, then fertilizer expelling shaft 8 is driven to work.When work, roller 7 is rotated by fertilizer expelling shaft 8.Fertilizer
Material particle is full of under the effect of gravity in the collected manure slot 7-1 on 7 top of roller, and collected manure slot 7-1 turns to defertilizing box 6 down
When lower section, fertilizer falls under gravity into fertilizer delivering pipe connection tube socket 10, is then fallen under the effect of gravity by fertilizer delivering pipe 13
In fertile ditch, fertilising is completed.The characteristics of Geneva mechanism 3 is that the continuous rotation of driving motor 5 is converted to intermittent rotary.Sheave is actively
Disk 3-1 is driven by driving motor 5 by gear-box 4, there is a pin thereon.Along the circumferential direction uniform cloth on sheave driven disc 3-2
Set six slots.Sheave driving disc spacing pressing 3-1 per revolution, pin enter in a slot on sheave driven disc 3-2, and driving sheave is driven
Disk 3-2 rotates 60 degree of angles.The continuous rotation of driving motor 5, is thus converted by sheave driven disc 3-2 connection fertilizer expelling shaft 8
The intermittent rotary that fertilizer expelling shaft 8 rotates 60 ° every time, stops being rotated further by 60 ° for a period of time.Sheave is combined when installing roller 7
The change in location of mechanism 3 adjusts, and when guaranteeing that fertilizer expelling shaft 8 stops every time, two groups of collected manure slot 7-1 of the face on roller 7 are just
One group it is directly on top, one group it is located directly below.The benefit designed in this way is: directly on top when intermittent movement stops
Collected manure slot 7-1 has the sufficient time to fill fertilizer, and collected manure slot 7-1 located directly below has sufficient time fertilizer, passes through this interval
Formula movement, solves the problems, such as fertiliser granulates poor fluidity under wet environment.
The effect of strength auxiliary transportation system is to convey fertiliser granulates from the fertilizer distributor auxiliary for being located at rice transplanter front
To at the ditching-fertilizing device at rear.The air current flow direction of blower 11 is horizontally oriented, and fertiliser granulates fall into defeated fertilizer from top
In pipe connected pipe seat 10.Since the tee tube of fertilizer delivering pipe connection tube socket 10 is designed to Venturi tube, i.e., one is designed at the middle part of pipe
A trunnion, one section of rapid desufflation section, one section small-bore section and one section be gradually expanded section, the pipe joint of connection defertilizing box 6 is located at
Small-bore section of trunnion, 45 °≤α≤70 ° of angle in the direction defertilizing box connecting tube 10-1 and gas supply adapter tube 10-2.The benefit designed in this way
Place is: when air-flow is flowed through at the trunnion of Venturi tube, under Venturi effect, in the defertilizing box connecting tube 10-1 of connection defertilizing box 6
Downward suction can be generated, is conducive to fertilizer in this way and swimmingly conveys downwards.
The fertilizer and conveying device of fertilizer applicator of the present invention, it uses common sheave machine in industrial other field
Structure realizes intermittent rotary, to ensure that duration when collected manure slot directed downwardly discharges fertilizer downward is largely increased, guarantees
Moist fertilizer being capable of more thorough whereabouts under the effect of gravity.The fertilizer mechanism structure of Geneva mechanism is simple, at low cost,
Not easy break-down；The collected manure grooved ring shape array distribution that it uses even number designs, another when ensure that a collected manure slot downward
Upward, the collected manure slot waiting time upward also synchronizes to be elongated one collected manure slot, and moist fertilizer is also easier to fill up top
Collected manure slot；The strength blowing system that it uses Venturi tube designs, when air-flow is flowed through at the trunnion of Venturi tube, in venturi
Under effect, downward suction can be generated in defertilizing box connecting tube, be conducive to fertilizer in this way and swimmingly conveyed downwards.Defertilizing box connecting tube and
It is arranged at an acute angle between gas supply adapter tube, ensure that and remain water after the inclination of defertilizing box connecting tube, fertiliser granulates enter horizontal pipe
Square to component velocity, be also beneficial to smooth conveying.
The above description is only a preferred embodiment of the present invention, thus it is all according to the configuration described in the scope of the patent application of the present invention,
The equivalent change or modification that feature and principle are done, is included in the scope of the patent application of the present invention.
Claims (4)
1. the fertilizer and conveying device of fertilizer applicator, it is characterised in that: it include fertilizer box (1), Geneva mechanism (3), gear-box (4),
It is driving motor (5), multiple defertilizing box (6) and the corresponding roller (7) of defertilizing box (6) quantity, fertilizer expelling shaft (8), steelframe (9), defeated
Fertile pipe connected pipe seat (10)；It is docked at the fertilizer box feed opening (2) of fertilizer box (1) bottom and the upper port of defertilizing box (6) detachable
Installation is fixed；Multiple rollers (7) are sleeved on a fertilizer expelling shaft (8), drive roller (7) by the rotation of fertilizer expelling shaft (8)
Rotation；Fertilizer expelling shaft (8) passes through multiple defertilizing box (6), corresponding in each defertilizing box (6) to be provided with a roller (7)；It is multiple
Defertilizing box (6) side-by-side is fixed on steelframe (9)；Gear-box (4) and driving motor (5) are fixed on steelframe (9)；
Driving motor (5) drives fertilizer expelling shaft (8) rotation by gear-box (4) and Geneva mechanism (3) transmission；The sheave of Geneva mechanism (3)
Driving disc spacing pressing (3-1) is mounted on the power output shaft of gear-box (4)；Sheave driven disc (3-2) row of being mounted on of Geneva mechanism (3)
On fertile axis (8)；There is the cotter way of even number in sheave driven disc (3-2), cotter way is in ring along the sheave driven disc center (3-2)
The distribution of shape battle array；The outer peripheral surface of roller (7) is equipped with multiple collected manure slots (7-1), and the quantity and sheave of collected manure slot (7-1) are driven
The quantity of cotter way is equal in disk (3-2)；Roller (7) does intermittent circular motion under the driving of Geneva mechanism (3), interval
When one collected manure slot (7-1) upward, a collected manure slot (7-1) is downward；Fertilizer delivering pipe connecting tube is installed at the base opening of defertilizing box (6)
Seat (10).
2. the fertilizer and conveying device of fertilizer applicator according to claim 1, it is characterised in that: it further include blower (11),
Air supply pipe (12)；Fertilizer delivering pipe connection tube socket (10) is Venturi tube, three of them oral area be respectively defertilizing box connecting tube (10-1),
Gas supply adapter tube (10-2), defeated fertilizer adapter tube (10-3)；Blower (10) is mounted on steelframe (9), is connected to confession by air supply pipe (12)
Gas takes over (10-2)；Defertilizing box connecting tube (10-1) meets the fertilizer outlet portion in defertilizing box (6) bottom；Defeated fertilizer adapter tube (10-3) is for connecting
Connect external fertilizer delivering pipe (13)；The angle of cut between defertilizing box connecting tube (10-1) and gas supply adapter tube (10-2) is acute angle.
3. the fertilizer and conveying device of fertilizer applicator according to claim 1, it is characterised in that: the sheave driven disc (3-
2) the cotter way number in is six.
4. the fertilizer and conveying device of fertilizer applicator according to claim 2, it is characterised in that: the defertilizing box connecting tube (10-
1) angle of cut α value between gas supply adapter tube (10-2) is 45-70 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910589926.1A CN110140497B (en) | 2019-07-02 | 2019-07-02 | Fertilizer discharging and conveying device of fertilizer applicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910589926.1A CN110140497B (en) | 2019-07-02 | 2019-07-02 | Fertilizer discharging and conveying device of fertilizer applicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110140497A true CN110140497A (en) | 2019-08-20 |
| CN110140497B CN110140497B (en) | 2020-07-10 |
Family
ID=67597046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910589926.1A Active CN110140497B (en) | 2019-07-02 | 2019-07-02 | Fertilizer discharging and conveying device of fertilizer applicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110140497B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203563329U (en) * | 2013-10-31 | 2014-04-30 | 张培坤 | Fertilizer applicator |
| CN104823581A (en) * | 2015-04-16 | 2015-08-12 | 北京农业信息技术研究中心 | Fertilization test platform |
| US20160205867A1 (en) * | 2015-01-20 | 2016-07-21 | Montag Investments, LLC | Single particulate metering system with variable rate controls |
| CN107318314A (en) * | 2017-08-24 | 2017-11-07 | 青岛理工大学 | Essence amount seed manure is same to grant the integrated intelligent agricultural machinery equipment of shallow embedding drip irrigation pipe laying |
-
2019
- 2019-07-02 CN CN201910589926.1A patent/CN110140497B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203563329U (en) * | 2013-10-31 | 2014-04-30 | 张培坤 | Fertilizer applicator |
| US20160205867A1 (en) * | 2015-01-20 | 2016-07-21 | Montag Investments, LLC | Single particulate metering system with variable rate controls |
| CN104823581A (en) * | 2015-04-16 | 2015-08-12 | 北京农业信息技术研究中心 | Fertilization test platform |
| CN107318314A (en) * | 2017-08-24 | 2017-11-07 | 青岛理工大学 | Essence amount seed manure is same to grant the integrated intelligent agricultural machinery equipment of shallow embedding drip irrigation pipe laying |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110140497B (en) | 2020-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110149847A (en) | Rice transplanting synchronizes fertilizer applicator | |
| CN204859985U (en) | Energy -conserving high -efficient disseminator | |
| CN102106210B (en) | Multifunctional precision planter | |
| CN105723903B (en) | A kind of variable-rate fertilization and variable fertilization method | |
| CN205961774U (en) | Scatter quick -witted strength and concentrate conveyor | |
| CN103329666A (en) | Push rod-mixing disc combination type bidirectional pneumatic precise seed sowing device for rice bud seed direct sowing | |
| CN201131152Y (en) | Centrifugal type seed-fertilizer spreaders | |
| CN115399125A (en) | High-efficient even fertilizer injection unit of solid organic fertilizer | |
| CN108966761B (en) | Flexible band grounding type precision seeding device | |
| CN110140497A (en) | The fertilizer and conveying device of fertilizer applicator | |
| CN205469829U (en) | Unmanned aerial vehicle spills fertile sow mechanism | |
| CN211240778U (en) | Precise directional seed supply device of pneumatic roller seed sowing device | |
| CN110972638B (en) | Precise directional seed supply device and method for pneumatic roller seed sowing device | |
| CN218086030U (en) | Agricultural unmanned aerial vehicle for direct seeding of rice | |
| CN108337959B (en) | American ginseng pneumatic needle precision collecting and discharging device | |
| CN110140485B (en) | Synchronous fertilizer device of fertilizer applicator | |
| CN211982511U (en) | Wheat is planted and is used equidistance seeder | |
| CN210868727U (en) | Spacing adjustable maize topdressing machine | |
| CN110884658B (en) | Accurate seeder of unmanned aerial vehicle | |
| KR200196057Y1 (en) | Useless cotton mixing and scattering device of agaric | |
| CN203708799U (en) | Aspirated-air type corn planter | |
| CN209628261U (en) | A kind of pocket type is without soil matrix fertilizer draft machine | |
| CN203661575U (en) | Agricultural crop fertilizer distributor | |
| CN111972216A (en) | Red pine antler distributing machine for planting red pine antler | |
| CN207519133U (en) | A kind of walking broadcast application device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |