CN109329007A - A kind of gard watering device - Google Patents
A kind of gard watering device Download PDFInfo
- Publication number
- CN109329007A CN109329007A CN201811513697.7A CN201811513697A CN109329007A CN 109329007 A CN109329007 A CN 109329007A CN 201811513697 A CN201811513697 A CN 201811513697A CN 109329007 A CN109329007 A CN 109329007A
- Authority
- CN
- China
- Prior art keywords
- water tank
- sliding block
- pipe
- hand cradle
- curved pipe
- 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
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/14—Hand watering devices, e.g. watering cans
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/047—Spraying of liquid fertilisers
Abstract
The present invention relates to garden management watering appliance fields, a kind of gard watering device is disclosed, including water tank and the irrigation pipe connecting with water tank, irrigation pipe is connected with telescopic curved pipe far from one end of water tank, curved pipe is equipped with multiple spray orifices, and curved pipe is connected with stretching, extension driving unit；Stretching driving unit includes hand cradle, the one end connecting on curved pipe with irrigation pipe is fixed in hand cradle, the free end of hand cradle is also hinged with drive rod, drive rod is hinged on curved pipe far from one end of hand cradle, support rod is connected in hand cradle, it is slided on support rod and is equipped with sliding block, the pole face of sliding block and drive rod offsets, and sliding block is connected with the linear motion control unit moved in a straight line for controlling sliding block.Solve existing water tank through the invention needs people not stop to move around plant when pouring, and causes cumbersome and is easy to fall sliding problem.
Description
Technical field
The present invention relates to garden management watering appliance fields, and in particular to a kind of gard watering device.
Background technique
In the Urban Greening management in gardens, need regularly to carry out daily maintenance management to plant, such as pour, generally
In the case of, the pouring of plant is all made of the pre- pipeline laid and carries out automatic-watering, its advantage is that high degree of automation, operation side
Just, but automatic-watering applies in general to lawn or a lower height of some plants, and the plant little higher for certain height
Object, such as evergreen, pittosporum tobira, banyan etc. of hanging down, if automatic-watering, the water mist or water flow of sprinkling are easy the blocking by plant
And can not be evenly dispersed, cause to be easy to appear the non-uniform situation of irrigating plant, therefore, for the plant of this kind of height, then
It needs individually to use sprinkler pipe or water tank by manually targetedly being poured operation.
Now currently, common water tank is back belt type water tank, when in use, water tank is carried on the back in back, hand by harness by people
The sparge pipe connecting with water tank is held to pour plant.But when pouring, in order to guarantee the uniform pouring to plant, benefit
In plant growth, people is needed not stop mobile around plant and pour from the multiple directions of plant, in this way, operate just aobvious
It is very cumbersome, and to plant when pouring on one side, water flowing keeps ground wet and slippery, if people surrounds at this time on the ground
Plant difference is mobile, is easy to cause people to step on cunning and falls down, increases security risk.
Summary of the invention
The invention is intended to provide a kind of gard watering device, people is needed to surround plant not to solve existing water tank when pouring
Stop moving, cause cumbersome and is easy to fall sliding problem.
In order to achieve the above objectives, the present invention adopts the following technical scheme: a kind of gard watering device, including water tank and and water
The irrigation pipe of case connection, irrigation pipe are connected with telescopic curved pipe far from one end of water tank, and curved pipe is equipped with multiple spray orifices,
Curved pipe is connected with stretching, extension driving unit；Stretching driving unit includes hand cradle, and the one end connecting on curved pipe with irrigation pipe is fixed
In hand cradle, the free end of hand cradle is also hinged with drive rod, and drive rod is hinged on curved pipe far from one end of hand cradle, in hand cradle
It is connected with support rod, is slided on support rod and is equipped with sliding block, the pole face of sliding block and drive rod offsets, and sliding block is connected with for controlling
The linear motion control unit that sliding block moves in a straight line.
The principle and advantage of this programme are: extension of the curved pipe as irrigation pipe, for pouring to plant, stretch
Driving unit can drive curved pipe extension to extend, so that curved pipe extends around the side of plant, so that
Irrigation pipe can be poured by curved pipe from the multiple directions of plant.Need people around plant to solve existing water tank
Mobile problem is not stopped.Connection basis of the hand cradle as curved pipe, support rod and drive rod, keeps being stably connected with for each structure.
Linear motion control unit moves along a straight line on support rod for controlling sliding block.When sliding block is in the effect of linear motion control unit
When lower linear motion, the drive rod to offset will be pushed to rotate around the hinge joint between drive rod and hand cradle.Drive rod exists
During rotation, curved pipe arc is driven to realize the automatic extension control to curved pipe to stretching, extension, so that curved pipe encloses automatically
It is wound on the outside of plant, the multi-direction pouring to plant so can be realized by the extension of curved pipe, efficiently solve existing
Water tank needs people not stop mobile around plant and lead to cumbersome the problem of easily slipping with people, easy to operate and safe.
Preferably, as an improvement, linear motion control unit includes the gas tube in rolled, the inner end of gas tube
Closing is arranged and is rotatably connected on sliding block, and the outer end of gas tube is connected with air inlet pipe, the one end of air inlet pipe far from gas tube
It is connected with inflator.When being inflated by inflator to air inlet pipe, air-flow is entered in gas tube by air inlet pipe, after gas tube air inlet,
Air-flow promotes gas tube extension to stretch, and gas tube band movable slider during stretching slides on support rod, thus realization pair
The mobile control of sliding block, in this way, the motion control to sliding block can be realized using air-flow, compared to using conventional mechanicals controls such as cylinders
Structure processed reduces energy consumption when device uses, on the other hand can reduce the weight of water tank on the one hand without consuming extra power
Amount, convenient for being moved to water tank, additionally it is possible to make the moving distance of sliding block be not driven source stroke limitation, make one
The moving distance of sliding block can be preferably controlled, and then convenient for the extended length of curved pipe is adjusted, enhances practical function.
Preferably, as an improvement, vertically extending telescopic rod, the one end of telescopic rod far from water tank are connected on water tank
Equipped with foot pedal, inflator is fixed on telescopic rod.Telescopic rod is for installing fixed inflator, convenient for the use of inflator.When
When needing using inflator, foot-treadle extends telescopic rod to the ground and enables inflator by person of modern times's foot, and descendant's foot is reciprocal
It tramples inflator to inflate gas tube, to further realize the motion control to sliding block, using such mode, people's foot can be convenient for
Thus control to inflator has liberated the hand of people without using hand to press inflator, and can use convenient for people
Both hands simultaneously hold hand cradle, avoid the problem that manpower is aching and limp and hand cradle is caused to fall.
Preferably, as an improvement, water tank is equipped with multiple transfer ports, and water tank is externally wrapped with equipped with appendix, defeated
Tracheae is connected to inflator, and appendix is equipped with multiple branch pipes identical with gas transmission hole number, and branch pipe and transfer port correspond
Connection, and the check valve for only allowing gas that appendix is discharged is equipped on branch pipe.When practical application, nutrition can be contained in water tank
Liquid is inflated appendix by inflator, air-flow enters in water tank via branch pipe and transfer port and makes water when nutrient solution
Nutrient solution rolling in case, avoids the nutriment in nutrient solution from being deposited on water tank bottom, so that the nutrient solution sprayed is equal
Even stabilization, conducive to the growth of plant.
Preferably, it as an improvement, is connected between air inlet pipe and inflator by appendix.In this way, inflator is discharged
Air-flow be introduced into appendix air inlet pipe entered by appendix again so that the flow direction of air-flow be it is single, compared to by air inlet
It is directly connected to respectively between pipe and inflator, between escape pipe and inflator, the pipeline configuration of connection can be simplified, avoided the occurrence of
Pipeline Stagger-wrap and the case where cause air-flow that can not circulate.
Preferably, as an improvement, air inlet pipe is equipped with exhaust valve, between sliding block and hand cradle, drive rod and hand cradle it
Between be respectively connected with return unit.Exhaust valve is used to for the air-flow in gas tube being discharged, and processing, gas tube row is exhausted to gas tube
After gas, revert to again curly, sliding block and drive rod will automatically reset under the drive of return unit at this time, in order to next time
It pours and uses.
Preferably, as an improvement, support rod is lead screw, and sliding block and threads of lead screw cooperate, and lead screw is rotatably connected on hand
On frame, sleeve is fixedly connected on lead screw, for sleeve between curved pipe and water tank, the outer sheath of sleeve is equipped with the elasticity of annular
Pipe is connected with elastical cloth, and is equipped with centrifugal globe in elastic tube between elastic tube and sleeve.When sliding block is straight under the promotion of gas tube
When line moves, lead screw rotates in hand cradle under the promotion of sliding block, to rotate with moving sleeve, centrifugal globe is in sleeve
Drive under follow sleeve rotating and do centrifugal movement, thus drive elastical cloth stretching, extension open, elastical cloth is in curved pipe and water tank
Between extend be unfolded into barrier, thus avoid curved pipe spray water backwash to human body on and human body is drenched, to human body into
Insulation blocking.
Preferably, as an improvement, multi-panel partition is equipped in elastic tube, have between adjacent separator gap and formed every
Chamber, centrifugal globe are sequentially distributed in separate space.Centrifugal globe is stopped limit and is uniformly distributed centrifugal globe in elastic tube by separate space, is kept away
Exempt from multiple centrifugal globes to be packed together and elastical cloth is caused uniformly to extend without 360 degree of directions of normal direction, guarantees elastical cloth to the guarantor of people
Protect effect.
Detailed description of the invention
Fig. 1 is the structure chart of the embodiment of the present invention.
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Fig. 3 is side view when elastical cloth extends in Fig. 1.
Fig. 4 is state diagram when gas tube is wound.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description include: water tank 1, irrigation pipe 2, curved pipe 3, hand cradle 4, drive rod 5, lead screw 6,
Sliding block 7, gas tube 8, air inlet pipe 9, exhaust valve 10, appendix 11, inflator 12, telescopic rod 13, foot pedal 14, sleeve 15, bullet
Property pipe 16, elastical cloth 17, centrifugal globe 18, partition 19, separate space 20, transfer port 21, harness 22.
Embodiment is as shown in Fig. 1:
A kind of gard watering device, including water tank 1 and the irrigation pipe being connect with water tank 12, irrigation pipe 2 far from water tank 1 one
End is connected with telescopic curved pipe 3, and the curved pipe 3 in the present embodiment is the bellows of elasticity, as shown in connection with fig. 2, curved pipe 3
There are symmetrical two groups, two groups of curved pipes 3 can be enclosed annular shape when extending, and carry out 360 degree of directions to plant to realize
Pouring, towards multiple spray orifices are equipped in the one side of 2 end of irrigation pipe on curved pipe 3, two groups of curved pipes 3 are connected with simultaneously to be stretched
Open up driving unit.
As shown in connection with fig. 2, stretching, extension driving unit includes hand cradle 4, and hand cradle 4 is equipped with groove, irrigation pipe close to one end of water tank 1
2 one end far from water tank 1 penetrate in groove and are pierced by from the back side of hand cradle 4 and link together with curved pipe 3, on curved pipe 3
The one end connecting with irrigation pipe 2 passes through fastener and is fixed in hand cradle 4, and the rear portion of hand cradle 4 is hinged with two groups of drives by hinge
Lever 5, the two groups of one end of drive rod 5 far from hand cradle 4 pass through hinge and are hinged on the curved pipe 3 being correspondingly arranged, and lead in hand cradle 4
It crosses bearing and is rotatably connected to lead screw 6, lead screw 6 is arranged in parallel with hand cradle 4, and the sliding block 7 being threadedly engaged also is arranged on lead screw 6,
The back side of sliding block 7 is equipped with two groups of driving levers for being located at 4 the upper side and lower side of hand cradle, two groups of driving levers respectively with two groups of drive rods 5
Pole face offsets, to push drive rod 5 to rotate in hand cradle 4 by driving lever 5, drive rod 5 is avoided to make the sliding of sliding block 7
At obstruction, it is respectively connected with return unit between sliding block 7 and hand cradle 4, between drive rod 5 and hand cradle 4, the return unit in the present embodiment is
Spring.Sliding block 7 is connected with the linear motion control unit moved in a straight line for controlling sliding block 7.
Linear motion control unit includes the gas tube 8 in rolled as shown in Figure 4, and the side of sliding block 7 is equipped with fulcrum,
Closed at one end setting and turning set of the gas tube 8 wound on inside are set on fulcrum, with certain hardness when gas tube 8 is inflated
And the position of sliding block 7 is limited, so that sliding block 7 can only be slided along lead screw 6 and can not be rotated, thereby guarantee that the straight line of sliding block 7
Movement and the rotation of lead screw 6 are run, and the outer end of gas tube 8 is connected with air inlet pipe 9, and air inlet pipe 9 is equipped with exhaust valve 10.In order to
It is further ensured that the limit effect to sliding block 7, the outer wall of hand cradle 4 is equipped with the strip groove parallel with lead screw 6, and welds on sliding block 7
It is connected to the card column with strip groove cooperation, card column is caught in strip groove, and card column is caught in one end in strip groove and is equipped with bulge, from
And card column is fixed in strip groove and can be slided along strip groove, thus sliding block 7 is preferably limited.
Water tank 1 is equipped with multiple transfer ports 21, and water tank 1 is externally wrapped with the appendix 11 for being equipped with and being connected to air inlet pipe 9, defeated
Tracheae 11 is equipped with multiple branch pipes identical with 21 quantity of transfer port, and branch pipe is connected to the one-to-one correspondence of transfer port 21, and on branch pipe
It is equipped with the check valve for only allowing gas that appendix 11 is discharged.Rotation is equipped with telescopic rod 13 on water tank 1, and telescopic rod 13 is far from water tank
1 one end is welded with foot pedal 14, and bolt is fixedly connected with inflator 12, the exhaust end of inflator 12 and gas transmission on telescopic rod 13
Pipe 11 is connected to.
Bolt is fixedly connected with sleeve 15 on lead screw 6, and sleeve 15 is between curved pipe 3 and water tank 1 and is sheathed on hand cradle 4
On, as shown in connection with fig. 3, the outer sheath of sleeve 15 is equipped with the elastic tube 16 of the annular of rubber system, be equipped in elastic tube 16 multi-panel every
Plate 19 has gap between adjacent separator 19 and forms separate space 20, centrifugal globe 18, elastic tube 16 and sleeve are equipped in separate space 20
The elastical cloth 17 of rubber system is bonded between 15.
Specific implementation process is as follows:
User is carried on the back water tank 1 in back by harness 22, is then run to hold hand cradle 4, make hand at irrigating plant
The free end of frame 4 is located at the front of people.Then, people's foot tramples foot pedal 14, and telescopic rod 13 is made to extend to the ground and enable inflator
12 close to human body, and descendant's foot tramples inflator 12 repeatedly, makes inflator 12 to 11 air inlet of appendix, the air-flow in appendix 11
A part enters in water tank 1 via branch pipe and transfer port 21, carries out air-blowing to the liquid filling of pouring in water tank 1, makes to pour liquid filling in water tank 1
It inside stirs, avoids pouring the bottom that the nutriment in liquid filling is deposited on water tank 1, be uniformly distributed nutriment in pouring liquid filling,
In favor of the growth of plant.Another part air-flow in appendix 11 enters in gas tube 8 via air inlet pipe 9, and gas tube 8 is inflated
And extend to the direction far from human body and extend, to push sliding block 7 to one Slideslip of plant, sliding block 7 passes through while movement
The driving lever for being connected to 7 back side of sliding block pushes the drive rod 5 to offset to move, and surrounds drive rod 5 between drive rod 5 and hand cradle 4
Hinge joint rotates, so that drive rod 5, which drives the curved pipe 3 of connection to extend, extends and be trapped among the side of plant.Then
Irrigation pipe 2 is opened, the liquid filling of pouring in water tank 1 is sprayed discharge via curved pipe 3 by irrigation pipe 2, since curved pipe 3 is trapped among at this time
The outside of plant, therefore can realize the multi-direction pouring to plant, user is not necessarily to move around plant as a result,
Realize the multi-direction pouring to plant, it is easy to operate, and reduce security risk.
Sliding block 7 while sliding, pushes the lead screw being threadedly engaged 6 to rotate in hand cradle 4, and lead screw 6 is with moving sleeve
15 rotate, and the centrifugal globe 18 on sleeve 15 follows movement and does centrifugal movement, are unfolded to draw elastical cloth 17, at this time elastical cloth
17 state as shown in figure 3, elastical cloth 17 will be isolated after being unfolded between curved pipe 3 and human body, when avoiding pouring to pour liquid filling anti-
It splashes to human body, the practical function of enhancement device.Adjacent centrifugal globe 18 can be isolated for partition 19, to the position of centrifugal globe 18
It is defined, avoids multiple centrifugal globes 18 from being deposited in the side of elastical cloth 17 and the feelings that cause elastical cloth 17 not to be unfolded uniformly
Condition guarantees elastical cloth 17 to the isolating and protecting effect of human body.
The number that inflator 12 is trampled by controlling, can change the displacement of sliding block 7, so that drive rod 5
Amplitude of fluctuation is different, is achieved in the control of the degree of stretch to curved pipe 3, to control curved pipe 3 to the pouring range of plant,
Also that is, according to circumstances curved pipe 3 can be made to carry out the pouring within the scope of 0-360 degree to plant.
It completes after pouring, irrigation pipe 2 is closed, open exhaust valve 10, gas tube 8 is exhausted, gas tube 8 is vented
Afterwards, rolled as shown in Figure 4 is reverted to, to lose the thrust to sliding block 7, sliding block 7 gradually resets under the action of tension spring,
Drive rod 5 loses the thrust of sliding block 7 and resets under the pulling of the tension spring of connection, so that the contraction of curved pipe 3 is closed up, so as to
It is used in pouring next time.
After sliding block 7 resets and stops sliding, lead screw 6 stops rotating, and sleeve 15, which also follows, to stop operating, and centrifugal globe 18 is gradually
Stop motion, elastical cloth 17 shrinks under elastic potential energy effect and is stored, in order to use next time.
What has been described above is only an embodiment of the present invention, the common sense such as well known specific technical solution and/or characteristic in scheme
It does not describe excessively herein.It should be pointed out that for those skilled in the art, before not departing from technical solution of the present invention
It puts, several modifications and improvements can also be made, these also should be considered as protection scope of the present invention, these all will not influence this
Invent the effect and patent practicability implemented.The scope of protection required by this application should be based on the content of the claims,
The records such as the specific embodiment in specification can be used for explaining the content of claim.
Claims (8)
1. a kind of gard watering device, including water tank and the irrigation pipe being connect with water tank, it is characterised in that: the irrigation pipe is separate
One end of water tank is connected with telescopic curved pipe, and curved pipe is equipped with multiple spray orifices, and curved pipe is connected with stretching, extension driving unit；
Stretching driving unit includes hand cradle, and the one end connecting on curved pipe with irrigation pipe is fixed in hand cradle, and the free end of hand cradle is also cut with scissors
It is connected to drive rod, drive rod is hinged on curved pipe far from one end of hand cradle, and support rod is connected in hand cradle, is slided on support rod
Equipped with sliding block, the pole face of sliding block and drive rod offsets, and sliding block is connected with the linear motion moved in a straight line for controlling sliding block
Control unit.
2. a kind of gard watering device according to claim 1, it is characterised in that: the linear motion control unit includes
In the gas tube of rolled, the inner end closing of gas tube is arranged and is rotatably connected on sliding block, and the outer end of gas tube is connected with
Air inlet pipe, air inlet pipe are connected with inflator far from one end of gas tube.
3. a kind of gard watering device according to claim 2, it is characterised in that: be connected on the water tank vertically extending
Telescopic rod, telescopic rod is equipped with foot pedal far from one end of water tank, and the inflator is fixed on telescopic rod.
4. a kind of gard watering device according to claim 2 or 3, it is characterised in that: the water tank is equipped with multiple defeated
Stomata, and water tank is externally wrapped with equipped with appendix, appendix is connected to inflator, and appendix is equipped with identical as gas transmission hole number
Multiple branch pipes, branch pipe and transfer port one-to-one correspondence be connected to, and is equipped on branch pipe and only allows the unidirectional of gas discharge appendix
Valve.
5. a kind of gard watering device according to claim 4, it is characterised in that: lead between the air inlet pipe and inflator
Cross appendix connection.
6. a kind of gard watering device according to claim 5, it is characterised in that: the air inlet pipe is equipped with exhaust valve,
Return unit is respectively connected between sliding block and hand cradle, between drive rod and hand cradle.
7. a kind of gard watering device according to claim 6, it is characterised in that: the support rod be lead screw, sliding block with
Threads of lead screw cooperation, lead screw is rotatably connected in hand cradle, is fixedly connected with sleeve on lead screw, sleeve be located at curved pipe and water tank it
Between, the outer sheath of sleeve is equipped with the elastic tube of annular, elastical cloth is connected between elastic tube and sleeve, and be equipped in elastic tube from
Bulbus cordis.
8. a kind of gard watering device according to claim 7, it is characterised in that: be equipped in the elastic tube multi-panel every
Plate has gap between adjacent separator and forms separate space, and the centrifugal globe is sequentially distributed in separate space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513697.7A CN109329007B (en) | 2018-12-11 | 2018-12-11 | Garden watering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513697.7A CN109329007B (en) | 2018-12-11 | 2018-12-11 | Garden watering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109329007A true CN109329007A (en) | 2019-02-15 |
| CN109329007B CN109329007B (en) | 2020-09-29 |
Family
ID=65303757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811513697.7A Expired - Fee Related CN109329007B (en) | 2018-12-11 | 2018-12-11 | Garden watering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109329007B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3768777A (en) * | 1971-04-26 | 1973-10-30 | V Hechler | Liquid spray device |
| CN201336850Y (en) * | 2008-12-29 | 2009-11-04 | 付连英 | Water-saving irrigation device |
| CN205830882U (en) * | 2016-07-26 | 2016-12-28 | 天津市新世纪苗木种植专业合作社 | A kind of multi-functional pesticide spraying device |
| CN207767133U (en) * | 2018-01-25 | 2018-08-28 | 河南梦景园林工程有限公司 | A kind of gardens telescopic sprayer head device |
-
2018
- 2018-12-11 CN CN201811513697.7A patent/CN109329007B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3768777A (en) * | 1971-04-26 | 1973-10-30 | V Hechler | Liquid spray device |
| CN201336850Y (en) * | 2008-12-29 | 2009-11-04 | 付连英 | Water-saving irrigation device |
| CN205830882U (en) * | 2016-07-26 | 2016-12-28 | 天津市新世纪苗木种植专业合作社 | A kind of multi-functional pesticide spraying device |
| CN207767133U (en) * | 2018-01-25 | 2018-08-28 | 河南梦景园林工程有限公司 | A kind of gardens telescopic sprayer head device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109329007B (en) | 2020-09-29 |
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Granted publication date: 20200929 Termination date: 20211211 |