CN207225666U - A kind of more rotor plant protection unmanned planes - Google Patents
A kind of more rotor plant protection unmanned planes Download PDFInfo
- Publication number
- CN207225666U CN207225666U CN201721221581.7U CN201721221581U CN207225666U CN 207225666 U CN207225666 U CN 207225666U CN 201721221581 U CN201721221581 U CN 201721221581U CN 207225666 U CN207225666 U CN 207225666U
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- horn
- liquid
- plant protection
- medicine
- chest
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Abstract
The utility model provides a kind of more rotor plant protection unmanned planes, belongs to unmanned air vehicle technique field.The utility model includes fuselage, horn, the medicine-chest for holding liquid, the liquid pump for pumping liquid and the spray assembly for spraying liquid, the horn and the medicine-chest are connected with the fuselage, the spray assembly is connected on the horn, the liquid-conveying ducts for conveying liquid are internally provided with the horn, are connected the medicine-chest with the spray assembly by the liquid-conveying ducts.The utility model conveys liquid by being arranged on the liquid-conveying ducts inside horn in horn to spray assembly, influence of the rotor lower stream of airflow to infusion pipeline can be effectively offset by horn, liquid conveying is set more to stablize, the failure occurrence probability in spray drug operation is reduced, spray drug operation is smoothed out.
Description
Technical field
The utility model belongs to unmanned air vehicle technique field, is to be related to a kind of more rotor plant protection unmanned planes more specifically.
Background technology
Unmanned plane is the not manned vehicle manipulated using radio robot and the presetting apparatus provided for oneself.In recent years
Come, unmanned plane has application in numerous areas.
In farm equipment field, sprayed using unmanned plane to crop, used unmanned plane is a kind of distance type
Spray baby plane, and the relatively manned formula aircraft of type is smaller but powerful, can load 8-10 kilograms of pesticide, is sprayed in low latitude
Pesticide, the operation per minute for completing 0.07 hectare.Its spraying efficiency is traditional artificial 30 times.This unmanned plane is grasped using intelligence
Control, manipulates hand and it is implemented to control by remote-control handle, easy to operate.Remote control, which sprays insecticide to substantially increase, at the same time applies
Personnel safety during medicine, therefore this plant protection unmanned plane is well suited for contemporary society as a kind of innovative farm equipment
Can current situation.But unmanned plane of the prior art is in use since nozzle is located on horn, and medicine-chest must not
Fuselage position is not located at, so a grug transportation tube is must be provided with to convey liquid, but grug transportation tube is subject to gas under unmanned plane rotor
The influence of stream easily acutely shake, or even come off in flight course, exerts a certain influence spray drug operation.It is meanwhile existing
Some plant protection unmanned planes are also bigger with respect to the unmanned plane bigger of other purposes, floor space due to the limitation of load-carrying, it has not been convenient to
Transport and carrying, in the case that especially road conditions are bad between field, be easy to cause the damage of colliding with of unmanned plane in itself.
Utility model content
It is existing in the prior art more to solve the purpose of this utility model is to provide a kind of more rotor plant protection unmanned planes
Rotor plant protection unmanned plane liquid transfer pipeline sets unreasonable technical problem, and rotor airflow influence woven hose can be prevented by having
The characteristics of road.
To achieve the above object, the technical solution adopted in the utility model is：A kind of more rotor plant protection unmanned planes are provided, are wrapped
Include fuselage, horn, the medicine-chest for holding liquid, the liquid pump for pumping liquid and the spray assembly for spraying liquid, institute
State horn and the medicine-chest is connected with the fuselage, the spray assembly is connected on the horn, inside the horn
Equipped with the liquid-conveying ducts for conveying liquid, the medicine-chest is connected with the spray assembly by the liquid-conveying ducts.
Further, in a kind of foregoing more rotor plant protection unmanned planes, the horn is equipped with going out for the liquid-conveying ducts
Mouth and entrance, the outlet are connected by pipeline with the spray assembly, and the entrance is connected by pipeline with the medicine-chest.
Further, in a kind of foregoing more rotor plant protection unmanned planes, catheter is further included, the catheter is described in
Liquid-conveying ducts, the both ends of the catheter are connected with the medicine-chest and the spray assembly respectively.
Further, in a kind of foregoing more rotor plant protection unmanned planes, the horn, which is equipped with, to be used to roll over the horn
Folded fold mechanism.
Further, in a kind of foregoing more rotor plant protection unmanned planes, the horn includes the first arm and the second arm, described
First arm one end is connected with the fuselage, and the other end is connected by the fold mechanism with second arm；The fold mechanism
Including the first connecting plate for being fixed on the first arm end and the second connecting plate for being fixed on the second arm end, first connecting plate
Side and the side of the second connecting plate be hinged；The articulated shaft of first connecting plate and second connecting plate hangs down with horizontal plane
Directly, the opposite side of first connecting plate is connected with the opposite side of the second connecting plate by interface arrangment.
Further, in a kind of foregoing more rotor plant protection unmanned planes, the spray assembly includes being used to spray liquid
Nozzle and the connector for connecting the horn and the nozzle.
Further, in a kind of foregoing more rotor plant protection unmanned planes, undercarriage is further included, the undercarriage is fixed on institute
State below fuselage, the undercarriage is internally provided with the space for accommodating the medicine-chest.
Further, in a kind of foregoing more rotor plant protection unmanned planes, including six interior machines are generally aligned in the same plane
Arm, the angle between the adjacent horn is 60 °, and the spray is equipped with two horns being located along the same line
Spill component.
Further, in a kind of foregoing more rotor plant protection unmanned planes, the body upper is provided with GPS module, described
GPS module is connected on fuselage by the supporting bar being vertically located on the fuselage.
Further, in a kind of foregoing more rotor plant protection unmanned planes, battery is equipped between the fuselage and the medicine-chest
Storehouse, the medicine-chest lower section are equipped with radar module.
A kind of beneficial effect of more rotor plant protection unmanned planes provided by the utility model is：Compared with prior art, originally
Utility model conveys liquid by being arranged on the liquid-conveying ducts inside horn in horn to spray assembly, can pass through horn
Influence of the rotor lower stream of airflow to infusion pipeline is effectively offset, liquid conveying is more stablized, reduces the failure in spray drug operation
Occurrence probability, enables spray drug operation to be smoothed out.
Brief description of the drawings
, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing is briefly described needed in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is that the unfolded state for more rotor plant protection unmanned planes that the utility model embodiment provides is stood regarding structure diagram；
Fig. 2 is the unfolded state overlooking the structure diagram for more rotor plant protection unmanned planes that the utility model embodiment provides；
Fig. 3 is that the folded state for more rotor plant protection unmanned planes that the utility model embodiment provides is stood regarding structure diagram；
Fig. 4 is the folded state overlooking the structure diagram for more rotor plant protection unmanned planes that the utility model embodiment provides；
Fig. 5 is the medicine-chest of more rotor plant protection unmanned planes and the connection structure of spray assembly that the utility model embodiment provides
Schematic diagram；
Fig. 6 is the position view of the GPS module for more rotor plant protection unmanned planes that the utility model embodiment provides.
Wherein, each reference numeral in figure：
1- fuselages；
2- horns；21- liquid-conveying ducts；The first arms of 22-；The second arms of 23-；The first connecting plates of 24-；The second connecting plates of 25-；
26- catheters；
3- medicine-chests；
4- spray assemblies；41- nozzles；42- connectors；
5- undercarriages；51- damping casings；
6-GPS modules；61- supporting bars；
7- liquid pumps.
Embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, are further elaborated the utility model.It is it should be appreciated that described herein specific real
Example is applied only to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System, is for only for ease of and describes the utility model and simplified description, rather than the device or element of instruction or hint meaning are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 4, now a kind of more rotor plant protection unmanned planes provided by the utility model are illustrated.
More rotor plant protection unmanned planes, including fuselage 1, horn 2, the medicine-chest 3 for holding liquid, the liquid pump 7 for pumping liquid
With the spray assembly 4 for spraying liquid, the horn 2 and the medicine-chest 3 are connected with the fuselage 1, the spray assembly 4
It is connected on the horn 2, is internally provided with the liquid-conveying ducts 21 for conveying liquid in the horn 2, is led to by the drain
Road 21 connects the medicine-chest 3 with the spray assembly 4, forms the path that liquid can be made to flow to spray assembly 4 by medicine-chest 3.
Liquid-conveying ducts 21 can directly transport liquid, can also convey liquid by internal liner tube structure.Horn 2 can pass through rotor
Arm mounting base is fixedly connected with fuselage 1, and rotor arm mounting base includes being used for the first socket end of clamping horn 2 and is fixedly mounted on
The first connecting pin on fuselage.The dynamical system of unmanned plane is fixedly connected by corresponding motor cabinet with horn 2, and motor cabinet includes
Second sleeve end for clamping horn one end and the second connection end for being fixedly connected with motor and electricity tune.Liquid pump 7 is located at
On medicine-chest 3, spray assembly 4 or horn 2, the connection of liquid pump 7 had not only been consolidated, but also liquid pump 7 can be reduced and shake influence to fuselage 1.
More rotor plant protection unmanned planes provided by the utility model, compared with prior art, by being arranged on machine in horn
Liquid-conveying ducts 21 inside arm 2 convey liquid to spray assembly 4, can effectively offset rotor lower stream of airflow pair by horn 2
The influence of infusion pipeline, makes liquid conveying more stablize, reduces the failure occurrence probability in spray drug operation, enable spray drug operation
It is smoothed out.
Further, also referring to Fig. 1 to Fig. 4, one as more rotor plant protection unmanned planes provided by the utility model
Kind embodiment, the horn 2 is equipped with the outlet of the liquid-conveying ducts 21 and entrance, the outlet pass through pipeline and institute
State spray assembly 4 to connect, the entrance is connected by pipeline with the medicine-chest 3.
Further, also referring to Fig. 3 and Fig. 5, one as more rotor plant protection unmanned planes provided by the utility model
Kind of embodiment, further includes catheter 26, and the catheter 26 passes through the liquid-conveying ducts 21, and the two of the catheter 26
End is connected with the medicine-chest 3 and the spray assembly 4 respectively.Catheter 26 makes liquid formation flow to spray assembly 4 by medicine-chest 3
Path.Catheter 26 is located in liquid-conveying ducts 21, and under the protection of horn 2, also can guarantee that liquid stablizes conveying.
Further, also referring to Fig. 1 to Fig. 4, one as more rotor plant protection unmanned planes provided by the utility model
Kind embodiment, the horn 2 are equipped with the fold mechanism for being used for folding the horn 2.Since unmanned plane horn 2 prolongs
The outside of fuselage 1 is extended, horn 2 is folded to the floor space that can greatly reduce unmanned plane, and since rotor and power fill
The end for being all located at horn 2 is put, horn 2 is folded up and is also beneficial to protection rotor and power set, avoids damage of colliding with.
Further, also referring to Fig. 1 to Fig. 4, one as more rotor plant protection unmanned planes provided by the utility model
Kind embodiment, the horn 2 include the first arm 22 and the second arm 23, and described first arm, 22 one end connects with the fuselage 1
Connect, the other end is connected by the fold mechanism with second arm 23；The fold mechanism includes being fixed on 22 end of the first arm
First connecting plate 24 in portion and the second connecting plate 25 for being fixed on 23 end of the second arm, the side of first connecting plate 24 and the
The side of two connecting plates 25 is hinged, and the opposite side of the opposite side of first connecting plate 24 and the second connecting plate 25 is tied by being clamped
Structure connects.In addition, at least provided with the company of sealing between the first connecting plate 24 and the second connecting plate 25 on the horn of liquid-conveying ducts 21
Connect, the first connecting plate 24 is corresponding with 21 position of liquid-conveying ducts on the second connecting plate 25, can form drain path.Using this
The structure that kind is hinged and is engaged by clamping can conveniently interrogate the folding and flattening for realizing horn 2 fastly, convenient to use, appearance event
Barrier also allows for rapid-maintenance, does not interfere with use.
Further, also referring to Fig. 1 to Fig. 4, one as more rotor plant protection unmanned planes provided by the utility model
Kind embodiment, the articulated shaft and horizontal plane of first connecting plate 24 and second connecting plate 25.Using this
The vertical articulated structure of kind is easy to, by 2 side-foldable of horn, make horn 2 be folded in the sidepiece of fuselage 1, is saving floor space
Also it is avoided that horn has an impact the other structures on fuselage 1 at the same time.
In a kind of specific embodiment of the utility model, fuselage 1 is equipped with six horns 2, and six horns 2 are laterally rolled over
It is folded.Wherein, the first connecting plate 24 is equipped with grab, and the second connecting plate 25 is equipped with buckle corresponding with grab.When needing to fold
During horn 2, laterally folded horn 2 makes buckle depart from grab while pressing buckle, and horn 3 is folded；When needing unwinder
During arm 2, pressing buckle while horn 2 is unfolded makes buckle clamping grab, and horn 2 is unfolded.Such structure can be realized quickly
Installation is folded, simple in structure, cost is low, small, easy to carry, is easily installed and safeguards, can adapt to various complicated, severe
Operating environment.
Further, also referring to Fig. 1, Fig. 3 and Fig. 5, as more rotor plant protection provided by the utility model nobody
A kind of embodiment of machine, the spray assembly 4 include being used to spray the nozzle 41 of liquid and for connecting the machine
The connector 42 of arm 2 and the nozzle 41.Connector 42 makes the direction of nozzle 41 straight down, and the downdraught that rotor produces has
Help the ejection and atomization of liquid, increase penetrability of the medicine spray to crops, prevention effect is good.
Further, also referring to Fig. 1 to Fig. 4, one as more rotor plant protection unmanned planes provided by the utility model
Kind embodiment, further includes undercarriage 5, and the undercarriage 5 is fixed on the lower section of fuselage 1, is set inside the undercarriage 5
It is useful for accommodating the space of the medicine-chest 3.51 structure of damping casing can be set on undercarriage 5, to reduce unmanned plane landing
Shi Keneng is damaged caused by each component on fuselage 1.
Further, also referring to Fig. 2 and Fig. 4, one as more rotor plant protection unmanned planes provided by the utility model
Kind embodiment, including six interior horns 2 are generally aligned in the same plane, the angle between the adjacent horn 2 is equal
For 60 °, the spray assembly 4 is equipped with two horns 2 being located along the same line.
In a kind of specific embodiment of the utility model, unmanned plane wheelbase is 1200mm.Projection of the fuselage 1 in horizontal plane
For regular hexagon, fuselage includes upper plate, lower plate and side plate, and upper plate, lower plate and side plate are the carbon fiber board that thickness is 2mm, upper,
Lower plate is the regular hexagon using the circle of a diameter of 420mm as circumscribed circle, and the horn 2 is carbon fiber pipe, and length is about
460mm.Undercarriage 5 is aluminum tubing, diameter 16mm, and undercarriage 5 is fixedly connected by four aluminum fasteners with fuselage.Rise and fall
Frame 5 uses the aluminum tubing of 16mm × 14mm, and whole height 410mm, mitigates weight as far as possible while sufficient intensity is ensured,
The vertical supporting bar position of undercarriage is cased with undercarriage cushioning casing 51, and to play cushioning effect, increase undercarriage uses the longevity
Life.Medicine-chest 3 is arranged on the lower section of fuselage 1, and medicine-chest 3 is fixedly connected with fuselage 1 by six roots of sensation long spiro nail.Liquid pump passes through one block of liquid
Pump connector or four installation rubber pads are fixedly mounted on the side of undercarriage 5.The utility model is simple in structure, small, weight
Amount is light, and cruising ability is strong, easy to carry, and is easily installed and safeguards, can adapt to various complicated, severe operating environments.
Further, also referring to Fig. 1 to Fig. 4 and Fig. 6, as more rotor plant protection provided by the utility model nobody
A kind of embodiment of machine, is equipped with battery compartment between the fuselage 1 and the medicine-chest 3, the lower section of medicine-chest 3 is equipped with radar
Module, the top of the fuselage 1 are provided with GPS module, and the GPS module passes through the supporting bar that is vertically located on the fuselage 1
Connection is on the fuselage 1.It is additionally provided with video parts on fuselage 1, when use is real-time to the carry out such as agricultural pest by video parts
Monitoring.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of more rotor plant protection unmanned planes, including fuselage（1）, horn（2）, medicine-chest for holding liquid（3）, for pumping
The liquid pump of liquid（7）With the spray assembly for spraying liquid（4）, the horn（2）With the medicine-chest（3）With the fuselage
（1）Connection, the spray assembly（4）It is connected to the horn（2）On, it is characterised in that：In the horn（2）It is internally provided with use
In the liquid-conveying ducts of conveying liquid（21）, pass through the liquid-conveying ducts（21）By the medicine-chest（3）With the spray assembly（4）Even
It is logical.
A kind of 2. more rotor plant protection unmanned planes as claimed in claim 1, it is characterised in that：The horn（2）It is equipped with described
Liquid-conveying ducts（21）Outlet and entrance, the outlet pass through pipeline and the spray assembly（4）Connection, the entrance pass through pipe
Road and the medicine-chest（3）Connection.
A kind of 3. more rotor plant protection unmanned planes as claimed in claim 2, it is characterised in that：Further include catheter（26）, it is described
Catheter（26）Through the liquid-conveying ducts（21）, the catheter（26）Both ends respectively with the medicine-chest（3）With the spray
Spill component（4）Connection.
A kind of 4. more rotor plant protection unmanned planes as claimed in claim 1, it is characterised in that：The horn（2）It is equipped with and is used for
By the horn（2）The fold mechanism of folding.
A kind of 5. more rotor plant protection unmanned planes as claimed in claim 4, it is characterised in that：The horn（2）Including the first arm
（22）With the second arm（23）, first arm（22）One end and the fuselage（1）Connection, the other end by the fold mechanism with
Second arm（23）Connection；The fold mechanism includes being fixed on the first arm（22）First connecting plate of end（24）And fixation
In the second arm（23）Second connecting plate of end（25）, first connecting plate（24）Side and the second connecting plate（25）One
Side is hinged；First connecting plate（24）With second connecting plate（25）Articulated shaft and horizontal plane, it is described first connect
Fishplate bar（24）Opposite side and the second connecting plate（25）Opposite side connected by interface arrangment.
A kind of 6. more rotor plant protection unmanned planes as claimed in claim 1, it is characterised in that：The spray assembly（4）Including with
In the nozzle of sprinkling liquid（41）And for connecting the horn（2）With the nozzle（41）Connector（42）.
A kind of 7. more rotor plant protection unmanned planes as claimed in claim 1, it is characterised in that：Further include undercarriage（5）, described
Fall frame（5）It is fixed on the fuselage（1）Lower section, the undercarriage（5）It is internally provided with for accommodating the medicine-chest（3）Space.
A kind of 8. more rotor plant protection unmanned planes as claimed in claim 1, it is characterised in that：Including being generally aligned in the same plane interior six
A horn（2）, the adjacent horn（2）Between angle be 60 °, two horns being located along the same line
（2）On be equipped with the spray assembly（4）.
A kind of 9. more rotor plant protection unmanned planes as claimed in claim 1, it is characterised in that：The fuselage（1）Top is provided with
GPS module（6）, the GPS module（6）By being vertically located at the fuselage（1）On supporting bar（61）It is connected to fuselage（1）
On.
A kind of 10. more rotor plant protection unmanned planes as claimed in claim 1, it is characterised in that：The fuselage（1）With the medicine-chest
（3）Between be equipped with battery compartment, the medicine-chest（3）Lower section is equipped with radar module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221581.7U CN207225666U (en) | 2017-09-22 | 2017-09-22 | A kind of more rotor plant protection unmanned planes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221581.7U CN207225666U (en) | 2017-09-22 | 2017-09-22 | A kind of more rotor plant protection unmanned planes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207225666U true CN207225666U (en) | 2018-04-13 |
Family
ID=61863442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721221581.7U Expired - Fee Related CN207225666U (en) | 2017-09-22 | 2017-09-22 | A kind of more rotor plant protection unmanned planes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207225666U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108502189A (en) * | 2018-06-22 | 2018-09-07 | 北京中飞东方航空科技有限公司 | A kind of plant protection drone flexible spray head seat |
| CN108715226A (en) * | 2018-08-07 | 2018-10-30 | 濉溪淮匠机械设备有限责任公司 | A kind of more rotor plant protection drones |
| CN109110122A (en) * | 2018-09-20 | 2019-01-01 | 华南理工大学 | A kind of flight Work robot |
| CN110877729A (en) * | 2018-09-06 | 2020-03-13 | 江苏荣耀天翃航空科技有限公司 | Six-wing unmanned aerial vehicle |
| CN111137457A (en) * | 2020-02-18 | 2020-05-12 | 刘任穷 | High-speed plant protection unmanned aerial vehicle |
| CN113998118A (en) * | 2021-11-15 | 2022-02-01 | 深圳市大疆创新科技有限公司 | Unmanned aerial vehicle plant protection equipment and unmanned aerial vehicle machine carries sprinkler |
| WO2022088562A1 (en) * | 2020-10-26 | 2022-05-05 | 江苏大学 | Multi-rotor spray rod structure and control method therefor |
-
2017
- 2017-09-22 CN CN201721221581.7U patent/CN207225666U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108502189A (en) * | 2018-06-22 | 2018-09-07 | 北京中飞东方航空科技有限公司 | A kind of plant protection drone flexible spray head seat |
| CN108715226A (en) * | 2018-08-07 | 2018-10-30 | 濉溪淮匠机械设备有限责任公司 | A kind of more rotor plant protection drones |
| CN110877729A (en) * | 2018-09-06 | 2020-03-13 | 江苏荣耀天翃航空科技有限公司 | Six-wing unmanned aerial vehicle |
| CN109110122A (en) * | 2018-09-20 | 2019-01-01 | 华南理工大学 | A kind of flight Work robot |
| CN111137457A (en) * | 2020-02-18 | 2020-05-12 | 刘任穷 | High-speed plant protection unmanned aerial vehicle |
| WO2022088562A1 (en) * | 2020-10-26 | 2022-05-05 | 江苏大学 | Multi-rotor spray rod structure and control method therefor |
| CN113998118A (en) * | 2021-11-15 | 2022-02-01 | 深圳市大疆创新科技有限公司 | Unmanned aerial vehicle plant protection equipment and unmanned aerial vehicle machine carries sprinkler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20200922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |