CN208597304U - Farmland fertilization device - Google Patents
Farmland fertilization device Download PDFInfo
- Publication number
- CN208597304U CN208597304U CN201820856223.1U CN201820856223U CN208597304U CN 208597304 U CN208597304 U CN 208597304U CN 201820856223 U CN201820856223 U CN 201820856223U CN 208597304 U CN208597304 U CN 208597304U
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- newel
- water
- mixing drum
- piston
- pipe
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Abstract
The utility model belongs to field of plant growing technology, specifically discloses farmland fertilization device, including moving body, sprinkling irrigation unit, water tank, gear unit and mixed cell；Mixed cell includes mixing drum, fertiliser bucket and newel；The demarcation plate that mixing drum is divided into epicoele and cavity of resorption is equipped in mixing drum；It is above intracavitary to be equipped with water tube and binder cylinder, push plate is slidably connected in water tube, slidably connects pressing plate in binder cylinder；It is provided with cavity in newel, piston is slidably connected in cavity, closed curved slot is provided on the inner wall of newel；Inlet opening and drainage hole on newel；The bottom of fertiliser bucket is connected with conduit, and piston is equipped with plunger, is provided with discharge port on conduit；It is connected with feed pipe between discharge port and binder cylinder, water inlet pipe and drainpipe are connected on water tube, water inlet pipe is equipped with one-way water inlet valve, and drainpipe is equipped with single slope drainage valve.Using the device of the present utility model application, the problem that individually fertilising, independent irrigation efficiency are low can effectively solve the problem that.
Description
Technical field
The utility model belongs to field of plant growing technology more particularly to a kind of farmland fertilization device.
Background technique
Fertilising, refers to and imposes in soil fertilizer or be sprayed on plant, provides nutrient needed for plant, and keeps and improve
The agrotechnical measure of soil fertility.The main purpose of fertilising be increase crop yield, improve crop quality, culture fertility and
It increases economic efficiency, therefore the reasonable and main means for being Ensuring Food Safety and safeguarding Agricul tural Sustain able Development that apply fertilizers scientifically
One of.The main foundation of fertilising is soil fertility level, agrotype, target output, climatic environment and fertilizer feature, thus
Suitable fertilizer is selected, fertilizer amount required for estimating, and determine fertilization time and fertilizer application mode.Not according to fertilization time
Together, can be divided into base manure and top dressing, the difference according to fertilizer application mode can be divided into spread fertilizer over the fields, rush apply, cave is applied, row replacement etc..
It generally to be irrigated after fertilising, avoid the fertility of fertilizer excessive and lead to burn seedlings.Currently, people generally use list
The mode solely applied fertilizer and individually irrigated, in this way, peasant need repeatedly work, great work intensity, and working efficiency
Also relatively low.
Utility model content
The purpose of this utility model is to provide a kind of farmland fertilization devices, to solve individually fertilising, individually irrigate work
The problem of inefficiency.
In order to achieve the above object, the base case of the utility model are as follows: farmland fertilization device, including moving body, spray
Water tank, gear unit and the mixed cell for being used to prepare liquid manure for filling unit and being arranged on moving body；Mixed cell
Including mixing drum, the fertiliser bucket above mixing drum and the newel being rotatably connected in mixing drum, gear unit is for driving
Dynamic newel rotation, sprinkling irrigation unit are used to for the liquid manure in mixing drum lower part being discharged；It is equipped in mixing drum and is divided into mixing drum
The demarcation plate of epicoele and cavity of resorption, the top of newel pass through demarcation plate and are located in epicoele；Under newel is located at equipped with more
Intracavitary agitating shaft is additionally provided on newel and is respectively positioned on intracavitary cam and multiple stirring blades；It is upper intracavitary equipped with water tube
It is provided with the binder cylinder of multiple leakage holes with side wall, the push plate moved back and forth by actuated by cams, binder are slidably connected in water tube
The pressing plate moved back and forth by actuated by cams is slidably connected in cylinder；It is provided with cavity in newel, slidably connects piston in cavity,
Closed curved slot is provided on the inner wall of newel, piston is equipped with one end and is fastened on the connecting rod in curved slot；Center
The drainage hole positioned at upper intracavitary inlet opening and positioned at cavity of resorption top is provided on column, the lower limit position of piston motion is located at draining
The lower section in hole, the upper limit position of piston motion is between inlet opening and drainage hole；The bottom of fertiliser bucket is connected with conduit, living
It is equipped with the plunger being slidably connected in conduit beyond the Great Wall, being provided on conduit can be by plunger opening, closed discharge port；Discharge port and pressure
It is connected with feed pipe between barrel, is connected with water inlet pipe that one end is connect with water tank on water tube and one end is connected to binder cylinder
Drainpipe, water inlet pipe are equipped with one-way water inlet valve, and drainpipe is equipped with single slope drainage valve.
The working principle of this base case is: when needing to carry out fertilising operation, starting gear unit, gear unit driving
Newel rotation, drives piston along the axially reciprocating of newel, piston driving plunger is along conduit when newel rotates
Constantly move up and down.During plunger motion, discharge port is constantly opened, is closed, the material in fertiliser bucket by discharge port,
Feed pipe is intermittent to be fallen into binder cylinder.Band moving cam rotates together when newel rotates, and cam pushes push plate along water spray
The inner wall side-to-side movement of cylinder, while also pushing pressing plate along the inner wall side-to-side movement of binder cylinder.During push plate campaign, due to
Pressure constantly changes in water tube, and water tube sucks water out of water tank, is then entered in binder cylinder by drainpipe, water slug exists
On fertilizer in binder cylinder, be conducive to the dissolution of fertilizer.When pressing plate is moved back and forth along the inner wall of binder cylinder, pressing plate is constantly squeezed
Fertilizer in binder cylinder makes fertilizer become to crush, more easily formation liquid manure soluble in water when contacting with water.In this process,
For piston along the axially reciprocating of newel, then upper intracavitary liquid manure is entered by inlet opening has fallen in piston in cavity
On, the liquid manure in cavity is with reciprocating motion of the pistons, and when the lower section of piston motion to drainage hole, the liquid manure on piston passes through row
Water hole is intracavitary under entering.Moving body is pushed to the place for needing to apply fertilizer, operates sprinkling irrigation unit, sprinkling irrigation unit is intracavitary by under
Liquid manure is sprayed on the soil in farmland, completes fertilising operation.
The beneficial effect of this base case is:
1, mixing drum is divided into epicoele and cavity of resorption, epicoele keeps fertilizer soluble in water, cavity of resorption is used for tentatively preparing liquid manure
In storage and further liquid manure is mixed, since during fertilising operation, liquid manure can be constantly produced, when fertilising can be
Farmland provides enough liquid manure, avoids the occurrence of fertilizer and not enough needs the case where supplying fertilizer.
2, when newel rotates, the fertilizer in fertiliser bucket intermittent can be fallen into binder cylinder, be provided to prepare liquid manure
Raw material, also water is added in intermittent past binder cylinder to water tube at the same time, and water slug is conducive to fertilizer on the fertilizer in binder cylinder
The dissolution of material.The addition of water and fertilizer is automatically added to using the power of newel rotation, is not required to that engine additionally is arranged
Structure.
3, when newel rotates, the cam on newel can drive pressing plate to move back and forth along the inner wall of binder cylinder, pressure
Plate constantly squeezes the fertilizer in binder cylinder, and fertilizer is made to become to crush, and makes fertilizer and more easily formation water soluble in water when water contacts
Fertilizer.Also agitating shaft and stirring blade is driven to rotate together when newel rotates, the upper intracavitary liquid manure of stirring blade agitation, and stir
Intracavitary liquid manure, mixes water and fertilizer more fully, the liquid manure effect being prepared is more preferable under axis agitation.
4, it is upper it is intracavitary liquid manure tentatively prepared to completion, newel drives reciprocating motion of the pistons, upper intracavitary water when rotating
Fertilizer can enter cavity by inlet opening in the process of piston motion and be transferred on piston, then be shifted automatically by drainage hole
Into cavity of resorption, the automatic transfer of liquid manure is completed.And in this process, the liquid manure in cavity is with reciprocating motion of the pistons,
The movement of piston enables water and fertilizer to be further uniformly mixed.
5, using the fertilizer apparatus of the present utility model application, water and fertilizer is mixed and are prepared into liquid manure, fertilising operation
When into farmland simultaneously apply fertilizer and water, solve the problems, such as individually apply fertilizer, individually irrigate working efficiency it is low.
Further, sprinkling irrigation unit includes water pump, the water-supply-pipe for being connected to mixing drum lower part and connect with water-supply-pipe drainpipe
Spray head, water pump is connected on water-supply-pipe.Start water pump, water pump liquid manure intracavitary by under is evacuated at water-supply-pipe, then passes through spray
Head sprays, and the liquid manure of spray head sprinkling is fallen on the soil in farmland, completes fertilising operation.
Further, gear unit includes motor and the first gear that is fixed on motor output shaft, is fixed on newel
Second gear engaged with the first gear.Motor drives newel to rotate by gear-driven mode, gear transmission structure letter
It is single, reliable transmission.
Further, the lower part of newel pass through mixing drum bottom, newel be equipped with can be in communication with the outside it is unidirectional into
Air valve is additionally provided with one-way exhaust valve intracavitary under being located on newel.Piston motion to drainage hole lower section and along cavity
When continuing traveling downwardly, when the pressure in newel lower part increases, one-way exhaust valve is automatically opened, and the gas in newel lower part can
Intracavitary under being entered by one-way exhaust valve, gas liquid manure intracavitary under plays the role of stirring, so that fertilizer is enough abundant with water energy
Mixing.
Further, being connected between push plate and water tube makes push plate and cam remain the spring of contact.Spring is set,
Spring can be such that push plate resets, it is ensured that push plate is remained with cam and contacted.
Further, closed card slot is provided on the side wall of cam thickness direction, pressing plate is equipped with one end and is fastened in card slot
Push rod.Card slot, push rod are set, and cam can drive pressing plate to move back and forth along the inner wall of binder cylinder when rotating.
Detailed description of the invention
Fig. 1 is the positive view of the utility model farmland fertilization Installation practice；
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description 1 to 2 include: moving body 10, mixing drum 20, water-supply-pipe 21, water pump 211,
Spray head 212, demarcation plate 22, water tank 30, water inlet pipe 31, one-way water inlet valve 311, newel 40, cavity 41, drainage hole 42, water inlet
Hole 43, second gear 44, agitating shaft 45, stirring blade 46, cam 47, card slot 471, fertiliser bucket 50, conduit 51, feed pipe 52,
Plunger 53, connecting rod 541, binder cylinder 60, pressing plate 61, push rod 611, motor 70, first gear 71, water tube 80, pushes away piston 54
Plate 81, spring 82.
As shown in Figure 1 and Figure 2, farmland fertilization device, including moving body 10, water tank 30, mixed cell, gear unit and
Sprinkling irrigation unit, moving body 10 are equipped with rack.Mixed cell includes mixing drum 20, fertiliser bucket 50 and is rotatably connected on mixing drum
Newel 40 in 20, the lower part of newel 40 pass through the bottom of mixing drum 20, and mixing drum 20 is fixed on moving body 10, fertilizer
Hopper 50 is fixed on the rack and is located at the top of mixing drum 20.Gear unit includes motor 70 and first gear 71, motor 70
It is fixed on moving body 10, first gear 71 is fixed on the output shaft of motor 70, and the lower part of newel 40, which is fixed with, to be located at
The second gear 44 mixing drum 20 lower section and engaged with first gear 71, starts motor 70, and motor 70 is driven by gear drive
Newel 40 rotates.
The demarcation plate 22 that mixing drum 20 is divided into epicoele and cavity of resorption is fixed in mixing drum 20, epicoele is located at demarcation plate 22
Top, the top of newel 40 passes through demarcation plate 22 and is located at upper intracavitary.Be welded on newel 40 more be located under it is intracavitary
Agitating shaft 45, be also welded on newel 40 and be respectively positioned on intracavitary cam 47 and multiple stirring blades 46.The left side of epicoele
It is inside fixed with the water tube 80 of right-end openings, cam 47 is opposite with the right-end openings of water tube 80, slides in water tube 80 and close
Envelope is connected with push plate 81, spring 82 is connected between the left side wall of push plate 81 and the inner wall of water tube 80, in the effect of spring 82
Under power, push plate 81 can be remained with cam 47 and be contacted.The binder cylinder 60 of left end opening, cam 47 are fixed in the right side of epicoele
It is opposite with the left end opening of binder cylinder 60, it is provided with multiple leakage holes on the side wall of binder cylinder 60, is slidably connected in binder cylinder 60
Pressing plate 61.It is provided with closed card slot 471 on the side wall of 47 thickness direction of cam, is fixed with one end on pressing plate 61 and is fastened on card slot
Push rod 611 in 471 can drive pressing plate 61 to move back and forth along binder cylinder 60 when cam 47 rotates by push rod.Water tube
Water inlet pipe 31 and drainpipe are connected on 80 left side, the water inlet end of water inlet pipe 31 is connect with water tank 30, and water inlet pipe 31 is equipped with
One-way water inlet valve 311, when the pressure in water tube 80 reduces, one-way water inlet valve 311 is automatically opened, and the water energy in water tank 30 is enough logical
Water inlet pipe 31 is crossed to enter in water tube 80；The discharge ends of drainpipe are connected on binder cylinder 60 and (are not drawn into drainpipe in figure), row
Water pipe is equipped with single slope drainage valve, and when the pressure in water tube 80 increases, single slope drainage valve is automatically opened, the water in water tube 80
It can be entered in binder cylinder 60 by drainpipe.
Be provided with cavity 41 in newel 40, be slidingly and sealingly connected with piston 54 in cavity 41,40 lower part of newel it is interior
Closed curved slot is provided on wall, the lower surface of piston 54 is fixed with connecting rod 541, is rotatably connected to position in connecting rod 541
In the spin in curved slot.The lower sides of newel 40 are equipped with the breather cheek valve that can be in communication with the outside, newel 40
On be additionally provided be located under intracavitary one-way exhaust valve, when the pressure in 40 lower part of newel reduces, breather cheek valve is automatically opened,
Extraneous gas can be entered in the lower part of newel 40 by breather cheek valve；When pressure in 40 lower part of newel increases,
One-way exhaust valve automatically opens, and the gas in 40 lower part of newel is intracavitary under capable of being entered by one-way exhaust valve.Fertiliser bucket 50
Bottom be fixedly connected with the conduit 51 being vertically arranged, the upper surface of piston 54 is fixed with the plunger that top is located in conduit 51
53, strip groove is provided on the inner wall of conduit 51, and the raised line being slidably connected in strip groove is fixed on plunger 53.40 turns of newel
When dynamic, under curved slot and the isostructural effect of connecting rod 541, piston 54 can be along cavity 41, plunger 53
Conduit 51 constantly moves up and down.It is provided with discharge port on conduit 51, during plunger 53 constantly moves up and down, discharge port is continuous
It is opened by plunger 53, closing.Feed pipe 52 is connected between discharge port and binder cylinder 60, the material in fertiliser bucket 50 can pass through
Conduit 51, discharge port, feed pipe 52 enter in binder cylinder 60.Inlet opening 43 and drainage hole 42, inlet opening are provided on newel 40
43 be located at it is upper intracavitary, drainage hole 42 is located in the top of cavity of resorption, piston 54 move lower limit position when, piston 54 be located at drain
The lower section in hole 42, when piston 54 moves to upper limit position, piston 54 is between inlet opening 43 and drainage hole 42.
Unit of spraying includes water pump 211, water-supply-pipe 21 and spray head 212, and one end of water-supply-pipe 21 is connected to mixing drum 20
Lower part, the other end are connect with spray head 212, and water pump 211 is connected on water-supply-pipe 21.Start water pump 211, water pump 211 can be by cavity of resorption
Interior liquid manure is evacuated to water-supply-pipe 21, is then sprayed by spray head 212.
Specific implementation process is as follows: when applying fertilizer to farmland, supplementing water into water tank 30, is added into fertiliser bucket 50 easy
It is dissolved in the fertilizer of water, starts motor 70, motor 70 drives newel 40 to rotate by first gear 71, second gear 44, center
Column 40 drives axially reciprocating of the piston 54 along newel 40,54 band of piston by structures such as curved slot, connecting rods 541
Dynamic plunger 53 constantly moves up and down along conduit 51.When plunger 53 goes downwards to certain position, discharge port is opened, in fertiliser bucket 50
Material passes sequentially through conduit 51, discharge port, feed pipe 52 and finally enters in binder cylinder 60, and plunger 53 is up to certain position
When, discharge port is blocked by plunger 53, and the fertilizer in fertiliser bucket 50 cannot shift, i.e., during plunger 53 moves back and forth, fertilizer
Fertilizer in hopper 50 is intermittent to be fallen into binder cylinder 60.
Band moving cam 47 rotates together when newel 40 rotates, and cam 47 pushes push plate 81 along water spray during rotating
The inner wall side-to-side movement of cylinder 80, while also pushing pressing plate 61 along the inner wall side-to-side movement of binder cylinder 60.Push plate 81 is transported to the right
When dynamic, the pressure in water tube 80 reduces, and one-way water inlet valve 311 is opened, and the water in water tank 30 enters water spray by water inlet pipe 31
In cylinder 80；When push plate 81 moves to the left, push plate 81 squeezes the water in water tube 80, and single slope drainage valve automatically opens, water tube
Water in 80 is entered in binder cylinder 60 by drainpipe, and water slug is conducive to the dissolution of fertilizer on the fertilizer in binder cylinder 60.
When pressing plate 61 is moved back and forth along the inner wall of binder cylinder 60, pressing plate 61 constantly squeezes the fertilizer in binder cylinder 60, becomes fertilizer
It crushes, more easily formation liquid manure soluble in water when fertilizer and water contact, liquid manure can pass through 60 side wall of binder cylinder in binder cylinder 60
On leakage hole fall on down it is intracavitary.
During newel 40 rotates, axially reciprocating of the piston 54 along newel 40, upper intracavitary liquid manure
Being entered in cavity 41 by inlet opening 43 and has then been fallen on piston 54, the liquid manure in cavity 41 is moved back and forth with piston 54,
When piston 54 moves to the lower section of drainage hole 42, the liquid manure on piston 54 is intracavitary under being entered by drainage hole 42.In piston 54
It is unidirectional to arrange when the pressure in 40 lower part of newel increases when moving to the lower section of drainage hole 42 and being continued traveling downwardly along cavity 41
Air valve automatically opens, and the gas in 40 lower part of newel is intracavitary under capable of being entered by one-way exhaust valve, and gas is intracavitary under
Liquid manure plays the role of stirring.Agitating shaft 45 and stirring blade 46 is driven to rotate together when newel 40 rotates, stirring blade 46 stirs
Dynamic intracavitary liquid manure, and the liquid manure that agitating shaft 45 is intracavitary under stirring, mix water and fertilizer more fully.
Moving body 10 is pushed to the place for needing to apply fertilizer, starts water pump 211, the liquid manure intracavitary by under of water pump 211 is taken out
It to water-supply-pipe 21, is then sprayed by spray head 212, the liquid manure that spray head 212 sprays is fallen on the soil in farmland, is completed fertilising and is made
Industry.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence
The effect and patent practicability that the utility model is implemented.This application claims protection scope should be with the content of its claim
Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (6)
1. farmland fertilization device, it is characterised in that: including moving body, spray unit and the water that is arranged on moving body
Case, gear unit and the mixed cell for being used to prepare liquid manure；Mixed cell includes mixing drum, the fertiliser bucket above mixing drum
With the newel being rotatably connected in mixing drum, for driving newel to rotate, sprinkling irrigation unit is used for mixing drum gear unit
Liquid manure discharge in lower part；The demarcation plate that mixing drum is divided into epicoele and cavity of resorption is equipped in mixing drum, the top of newel is worn
It crosses demarcation plate and is located in epicoele；Newel be equipped with more be located under intracavitary agitating shaft, be additionally provided on newel and be respectively positioned on
Upper intracavitary cam and multiple stirring blades；The upper intracavitary binder cylinder that multiple leakage holes are provided with equipped with water tube and side wall, water spray
The push plate moved back and forth by actuated by cams is slidably connected in cylinder, is slidably connected in binder cylinder by actuated by cams reciprocating motion
Pressing plate；It is provided with cavity in newel, piston is slidably connected in cavity, closed curved slot is provided on the inner wall of newel,
Piston is equipped with one end and is fastened on the connecting rod in curved slot；It is provided on newel positioned at upper intracavitary inlet opening and under being located at
The drainage hole on chamber top, the lower limit position of piston motion are located at the lower section of drainage hole, and the upper limit position of piston motion is located at
Between inlet opening and drainage hole；The bottom of fertiliser bucket is connected with conduit, and piston is equipped with the plunger being slidably connected in conduit, leads
Being provided on pipe can be by plunger opening, closed discharge port；It is connected with feed pipe between discharge port and binder cylinder, is connected on water tube
The drainpipe that the water inlet pipe and one end for having one end to connect with water tank are connected to binder cylinder, water inlet pipe are equipped with one-way water inlet valve, row
Water pipe is equipped with single slope drainage valve.
2. farmland fertilization device according to claim 1, it is characterised in that: sprinkling irrigation unit includes water pump, is connected to mixing
The water-supply-pipe of cylinder lower part and the spray head connecting with water-supply-pipe drainpipe, water pump are connected on water-supply-pipe.
3. farmland fertilization device according to claim 2, it is characterised in that: gear unit includes motor and is fixed on motor
First gear on output shaft is fixed with second gear engaged with the first gear on newel.
4. farmland fertilization device according to claim 1-3, it is characterised in that: the lower part of newel passes through mixing
The bottom of cylinder, newel are equipped with the breather cheek valve that can be in communication with the outside, are additionally provided on newel intracavitary unidirectional under being located at
Exhaust valve.
5. farmland fertilization device according to claim 1-3, it is characterised in that: connected between push plate and water tube
Having makes push plate and cam remain the spring of contact.
6. farmland fertilization device according to claim 1-3, it is characterised in that: on the side wall of cam thickness direction
It is provided with closed card slot, pressing plate is equipped with one end and is fastened on the push rod in card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820856223.1U CN208597304U (en) | 2018-06-04 | 2018-06-04 | Farmland fertilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820856223.1U CN208597304U (en) | 2018-06-04 | 2018-06-04 | Farmland fertilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208597304U true CN208597304U (en) | 2019-03-15 |
Family
ID=65662764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820856223.1U Expired - Fee Related CN208597304U (en) | 2018-06-04 | 2018-06-04 | Farmland fertilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208597304U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169626A (en) * | 2020-09-28 | 2021-01-05 | 宁波辉驰泰新能源科技有限公司 | Polyurethane waterproof coating processing preparation system |
| CN118577191A (en) * | 2024-07-30 | 2024-09-03 | 江苏太湖新材料技术研发有限公司 | Additive metering tank for water-soluble corrosion inhibitor preparation production |
-
2018
- 2018-06-04 CN CN201820856223.1U patent/CN208597304U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169626A (en) * | 2020-09-28 | 2021-01-05 | 宁波辉驰泰新能源科技有限公司 | Polyurethane waterproof coating processing preparation system |
| CN112169626B (en) * | 2020-09-28 | 2021-08-06 | 山东红花防水建材有限公司 | Polyurethane waterproof coating processing preparation system |
| CN118577191A (en) * | 2024-07-30 | 2024-09-03 | 江苏太湖新材料技术研发有限公司 | Additive metering tank for water-soluble corrosion inhibitor preparation production |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190315 Termination date: 20200604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |