CN207720984U - A kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps - Google Patents
A kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps Download PDFInfo
- Publication number
- CN207720984U CN207720984U CN201721575076.2U CN201721575076U CN207720984U CN 207720984 U CN207720984 U CN 207720984U CN 201721575076 U CN201721575076 U CN 201721575076U CN 207720984 U CN207720984 U CN 207720984U
- Authority
- CN
- China
- Prior art keywords
- propeller
- blade
- increasing device
- aquiculture
- water
- 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.)
- Expired - Fee Related
Links
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model discloses a kind of spiral oxygen-increasing devices used for aquiculture of crab fishes and shrimps,Including motor,Adjustable support is connected with below motor,It is connected on floating drum below adjustable support,The lower right of motor is connected with hollow shaft,The right end of hollow shaft is connected with stop sleeve,Stop sleeve passes through the liquid level of breeding pool,The right end of stop sleeve is connected with propeller,The oblique both sides up and down of propeller are both provided with kuppe,It solves oxygen-increasing device in traditional water and mostly utilizes to play bigcatkin willow in pond and come into full contact with air,But this method needs to do many work(to machine itself and to water,The problem of cannot be satisfied the demand of raiser, which has that directly air compression is then injected among pond with oxygen-increasing device in existing water, carries out water oxygenation,But the area of this kind of mode not only oxygenation is smaller,And the problem for causing effective oxygenation rate low can be discharged in a large amount of compressed air from water.
Description
Technical field
The utility model relates to technical field of aquaculture, the spiral oxygenation dress used for aquiculture of specially a kind of crab fishes and shrimps
It sets.
Background technology
Oxygenation is a kind of machine being often applied to fishery cultivating industry, and " oxygen " in air is made to be quickly transferred to breeding water body
In, it can not only solve the problems, such as that the fish generated because of anoxic in pond culture raises the nose above water to breathe, and can eliminate pernicious gas, promote
Into water body convective exchange, improve condition of water quality, reduce feed coefficient, fishpond activity and primary productivity is improved, to can be improved
Breeding density increases the intensity of feeding of cultivation object, promotes growth, per mu yield is made to increase substantially, and sufficiently achieves what cultivation increased income
Purpose.Designing the measure taken when aerator has：Water body is stirred using mechanical part, promotes convective exchange and interface update；
Water-dispersed for fine mist, penetrating gas phase, the contact area of increase water-gas；By negative inspiratory pressure, gas is separated into micro-
Bubble is pressed into water.Aquaculture industry is in order to pond oxygenation in recent years.
Application No. is 201110092556.4 entitled one kind be arranged symmetrically propeller type from calm the anger, air-breathing, water suction increase
The utility model patent of oxygen machine, the advantageous effect of the patent are calmed the anger using wheel high speed rotation generation of calming the anger, and air inlet is greatly increased
Amount；Suction hose is added, and is generated the double-deck annular gas-liquid interface, is greatly increased contact area；The inside spin and propeller of diffuser
The hand of spiral on the contrary, increasing the shear action between water-gas, bubble is separated into smaller bubble by narrow meshed kuppe,
The contact area of water-gas is further increased, oxygenation efficiency is improved.
(1) oxygen-increasing device is mostly utilized to play bigcatkin willow in pond and is come into full contact with air in traditional water, but this method need
Many work(is done to machine itself and to water, and oxygenation is less efficient, and water oxygenation depth is limited, cannot be satisfied
The demand of raiser；
(2) oxygen-increasing device has that directly air compression is then injected among pond and carries out water oxygenation in existing water, but
Be the not only oxygenation of this kind of mode area it is smaller, but also a large amount of compressed air can be discharged from water and cause effective oxygenation rate low
Under；
(3) existing spiral oxygenation is mostly that pusher horizontal direction or vertical direction fix oxygenation, causes equipment increasing
The problem of limitation of oxygen range, and ripples characteristic can not be efficiently used and improve oxygenation rate, cause oxygenation quality low.
Invention content
In order to overcome the shortcomings of prior art, the utility model provides a kind of the used for aquiculture spiral of crab fishes and shrimps
Oxygen-increasing device, had both solved oxygen-increasing device in traditional water and mostly utilizes to play bigcatkin willow in pond and come into full contact with air, but this
Method needs to do many work(to machine itself and to water, and oxygenation is less efficient, cannot be satisfied the demand of raiser
Problem, and solve oxygen-increasing device in existing water and have that directly air compression is then injected among pond and carry out water oxygenation,
But the area of this kind of mode not only oxygenation is smaller, and a large amount of compressed air can be discharged from water and cause effective oxygenation rate low
Under problem, and it is mostly that pusher horizontal direction or vertical direction fix oxygenation to also solve existing spiral oxygenation, is made
At equipment oxygenation range limitation the problem of, and can not efficiently use ripples characteristic improve oxygenation rate, lead to oxygenation quality
Low problem.
Technical solution adopted by the utility model to solve its technical problems is：A kind of spiral used for aquiculture of crab fishes and shrimps
Formula oxygen-increasing device, including motor are connected with adjustable support below the motor, are connected to below the adjustable support
On floating drum, the lower right of the motor is connected with hollow shaft, and the right end of the hollow shaft is connected with stop sleeve, the support
Sleeve passes through the liquid level of breeding pool, the right end of the stop sleeve to be connected with propeller, the oblique both sides up and down of the propeller
It is both provided with kuppe；
The propeller include it is hollow connect column, the hollow upper end for connecing column is provided with fixing piece, the hollow column that connects
Lower end is connected with rotating wheel, and the lower end of the rotating wheel is connected with propeller hub, is connected on the propeller hub about symmetrical before and after propeller hub
Upper blade, the side of the upper blade is provided with the lower blade with the upper blade vertical direction, and the side of the lower blade is set
It is equipped with several air admission holes；
The adjustable support includes horizontal fixation bottom, is connected with and the fixed bottom above the right end at the fixed bottom
The vertical right side is aided the border areas, and the left side that bending curvature to the right is connected with above the left end at the fixed bottom is aided the border areas.
As a kind of preferred technical solution of the utility model, the hollow shaft and the junction of the floating drum are provided with wood
The pressure point support base of system, junction is provided with abrasion cushion between the motor and the adjustable support.
As a kind of preferred technical solution of the utility model, columned filtering is connected on the right side of the kuppe
Net is provided with several filtering apertures on the filter screen.
As a kind of preferred technical solution of the utility model, it is arc-shaped that the least significant end of the propeller hub, which is provided with bottom end,
Diversion column.
As a kind of preferred technical solution of the utility model, the side of the upper blade and the lower blade is arranged to machine
Wing arcuation, and blade protrusion is both provided on the upper surface of the upper blade and the lower blade.
As a kind of preferred technical solution of the utility model, left side radian bending to the right of aiding the border areas is aided the border areas relative to the right side
Apex bending angle be 45 degree.
Compared with prior art, the utility model has the beneficial effects that：
(1) the utility model by propeller include it is hollow connect column, the hollow upper end for connecing column is provided with fixing piece, hollow to connect
The lower end of column is connected with rotating wheel, and the lower end of rotating wheel is connected with propeller hub, is connected on propeller hub about on symmetrical before and after propeller hub
Blade, the side of upper blade are provided with the lower blade with upper blade vertical direction, and the side of lower blade is provided with several air admission holes
Design changes tradition and raises the oxygenation pattern that water is contacted with air, and vortex drag can not only be resisted to reduce motor acting, Er Qie great
Oxygenation efficiency is improved greatly, oxygen-increasing device in traditional water is solved and mostly utilizes to play bigcatkin willow in pond and come into full contact with air,
But this method needs to do many work(to machine itself and to water, and oxygenation is less efficient, and water oxygenation depth
It is limited, the problem of cannot be satisfied the demand of raiser.
(2) the utility model is connected with adjustable support, the lower section connection of adjustable support by motor below motor
On floating drum, the lower right of motor is connected with hollow shaft, and the right end of hollow shaft is connected with stop sleeve, and stop sleeve, which passes through, supports
The liquid level in pond is grown, the right end of stop sleeve is connected with propeller, and the oblique both sides up and down of propeller are both provided with setting for kuppe
Meter, tilting propeller design, sufficient area can not only be provided and contacted with air, and the rear active force of propeller can drive it is whole
Undirectional motion in a device pool water within, increases the area of oxygenation, and solving that oxygen-increasing device in existing water has directly will be empty
Air pressure contracting, which is then injected among pond, carries out water oxygenation, but the area of this kind of mode not only oxygenation is smaller but also a large amount of
The problem for causing effective oxygenation rate low can be discharged in compressed air from water.
(3) the utility model includes horizontal fixation bottom by adjustable support, be connected with above the right end at fixed bottom with
The straight right side of fixed dolly is aided the border areas, and the design that a left side for bending curvature to the right is aided the border areas is connected with above the left end at fixed bottom, can be certainly
By the volume inclination angle of design whole device in water, it is mostly pusher horizontal direction or vertical side to solve existing spiral oxygenation
To fixed oxygenation, the problem of causing the limitation of equipment oxygenation range, and ripples characteristic can not be efficiently used and improve oxygenation rate,
Lead to the low-quality problem of oxygenation.
Description of the drawings
Fig. 1 is the surface structure schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model propeller；
Fig. 3 is the structural schematic diagram of the utility model adjustable support.
In figure：1- motor, 2- floating drums, 3- adjustable supports, 4- abrasion cushions, 5- hollow shafts, 6- stop sleevees, 7- liquid
Face, 8- pressure point support bases, 9- kuppes, 10- filter screens, 11- filter aperture, and 12- propellers, 13- is hollow to connect column, and 14- is fixed
Part, 15- rotating wheels, 16- propeller hubs, 17- diversion columns, the upper blades of 18-, blade under 19-, 20- blade protrusions, 21- air admission holes, 22-
A left side is aided the border areas, and 23- aids the border areas on the right side, and 24- fixes bottom.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The explanation of following embodiment is refer to the attached drawing, can be to the particular implementation implemented to example the utility model
Example.The direction and position term that the utility model is previously mentioned, for example, "upper", " in ", "lower", "front", "rear", "left", "right", "
It is interior ", "outside", " side " etc., be only the direction and position with reference to annexed drawings.Therefore, the direction and position term used is to use
To illustrate and understand the utility model, rather than to limit the utility model.
Embodiment：
The utility model as shown in Figure 1 provides a kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps, including electricity
The lower section of motivation 1, the motor 1 is connected with adjustable support 3, and the lower section of the adjustable support 3 is connected on floating drum 2, described
The lower right of motor 1 is connected with hollow shaft 5, and the right end of the hollow shaft 5 is connected with stop sleeve 6, and the stop sleeve 6 is worn
The liquid level 7 of breeding pool is crossed, the right end of the stop sleeve 6 is connected with propeller 12, the oblique both sides up and down of the propeller 12
It is both provided with kuppe 9.
As shown in Figure 1, hollow shaft 5 described in the utility model and the junction of the floating drum 2 are provided with wooden pressure point
Support base 8, junction is provided with abrasion cushion 4, the pressure point support base 8 of setting between the motor 1 and the adjustable support 3
With 4 effective protection motor 1 of abrasion cushion and hollow shaft 5, damaged in collision at work is avoided.
As shown in Figure 1, the right side of kuppe 9 described in the utility model is connected with columned filter screen 10, the mistake
Several filtering apertures 11 are provided on strainer 10, setting filter screen 10 can avoid the silk in 12 shaft during operation to water of propeller
Shape or bar ensure machine normal work.
As shown in Fig. 2, propeller 12 described in the utility model connects column 13, the hollow upper end for connecing column 13 including hollow
It is provided with fixing piece 14, the hollow lower end for connecing column 13 is connected with rotating wheel 15, and the lower end of the rotating wheel 15 is connected with paddle
Hub 16 is connected on the propeller hub 16 about symmetrical upper blade 18 before and after propeller hub 16, the side of the upper blade 18 be provided with
The lower blade 19 of 18 vertical direction of upper blade, the side of the lower blade 19 are provided with several air admission holes 21.
As shown in Fig. 2, the least significant end of propeller hub 16 described in the utility model is provided with the diversion column 17 that bottom end is arc-shaped,
It can ensure that water (flow) direction is adjacent to the circular arc bottom of diversion column 17 using the diversion column 17 of arc-shaped, avoid flow influence work at random
Efficiency..
As shown in Fig. 2, the side of upper blade 18 and the lower blade 19 described in the utility model is arranged to wing arcuation,
And the upper blade 18 designs energy with blade protrusion 20, the upper arc side of wing is both provided on the upper surface of the lower blade 19
Enough ensure propeller 12 when rotated, upper surface flow velocity is faster than lower surface, accelerates drainage stock process using negative pressure differential, blade is convex
The design that formula is tiltedly put in 20 cooperations is played, the efficiency that flow separately improves oxygenation can be evoked.
As shown in figure 3, adjustable support 3 described in the utility model includes horizontal fixation bottom 24, the fixed bottom 24
It is connected with the right side vertical with the fixed bottom 24 above right end and aids the border areas 23, the top connection of the left end at the fixed bottom 24 is oriented
A left side for right bending curvature aids the border areas 22.
23 vertex as shown in figure 3, left 22 radians bending to the right of aiding the border areas described in the utility model are aided the border areas relative to the right side
It is 45 degree to locate bending angle, and inclination angle design can either ensure move freely in water when equipment work, and can ensure to increase
The depth of oxygen.
Such as Fig. 1, Fig. 2 as shown in figure 3, when the utility model at work, first by motor 1 be fixed on floating drum 2 can
Adjust on holder 3, when adjusting 3 inclined angle of adjustable support according to actual conditions to ensure propeller works can oxygenation to enough
Depth, then connect hollow shaft 5 and stop sleeve 6, then install propeller 12, whole equipment is put into water,
Motor 1 is opened, the rotation of motor 1 not only drives 12 turns of propeller by hollow shaft 5 and the wiping interactive effect of stop sleeve 6
It is dynamic, and air velocity can be speeded so that air can enter sky quickly through the channel of hollow shaft 5 and stop sleeve 6
The heart connects in column 13, then after flow into the water evoked by air admission hole 21；Because propeller 12 is designed to upper and lower two mutually
Vertical blade can not only break up the vortex that the rotation of lower blade 19 generates, ensure the energy saving of equipment work, and be arranged
Blade protrusion 20 cuts the continuity of flow, the air come out at this time by air admission hole 21 and the flowing water being stirred contact oxygenation, and
And equipment may fully be contacted with air along with spray with generations such as micro cyclones during exercise, increase the contact surface of oxygenation
Product；Moreover, propeller will produce during the motion it is corresponding after active force, rear active force at this time can drive why a dress
It sets and is not fixed drift in pond, change the pattern of previous fixed oxygen increasing equipment, and efficiently solve background technology
The problem of middle proposition, is worthy to be popularized.
In conclusion the utility model is mainly characterized by：
The utility model by propeller include it is hollow connect column, the hollow upper end for connecing column is provided with fixing piece, hollow to connect column
Lower end be connected with rotating wheel, the lower end of rotating wheel is connected with propeller hub, is connected on propeller hub about symmetrical upper paddle before and after propeller hub
Piece, the side of upper blade are provided with the lower blade with upper blade vertical direction, and the side of lower blade is provided with setting for several air admission holes
Meter changes tradition and raises the oxygenation pattern that water is contacted with air, vortex drag can not only be resisted to reduce motor acting, and significantly
Oxygenation efficiency is improved, the high efficiency of the utility model is embodied.
The utility model includes horizontal fixation bottom by adjustable support, be connected with above the right end at fixed bottom with it is fixed
The straight right side of dolly is aided the border areas, and is connected with the design that a left side for bending curvature to the right is aided the border areas above the left end at fixed bottom, can freely be set
The volume inclination angle of whole device in water is counted, the adjusting freedom of the utility model is embodied.
The utility model is connected with adjustable support below motor, is connected to below adjustable support by motor
On floating drum, the lower right of motor is connected with hollow shaft, and the right end of hollow shaft is connected with stop sleeve, and stop sleeve passes through cultivation
The right end of the liquid level in pond, stop sleeve is connected with propeller, and the oblique both sides up and down of propeller are both provided with the design of kuppe,
Tilting propeller designs, and can not only provide sufficient area and be contacted with air, and the rear active force of propeller can drive entirely
Undirectional motion in device pool water within increases the area of oxygenation, embodies the popularity of the utility model oxygenation covering surface.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (6)
1. a kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps, it is characterised in that：It is described electronic including motor (1)
It is connected with adjustable support (3) below machine (1), is connected on floating drum (2) below the adjustable support (3), the motor
(1) lower right is connected with hollow shaft (5), and the right end of the hollow shaft (5) is connected with stop sleeve (6), the stop sleeve
(6) liquid level (7) of breeding pool, the right end of the stop sleeve (6) is passed through to be connected with propeller (12), the propeller (12)
It is oblique up and down both sides be both provided with kuppe (9)；
The propeller (12) include it is hollow connect column (13), the hollow upper end for connecing column (13) is provided with fixing piece (14), institute
It states the hollow lower end for connecing column (13) and is connected with rotating wheel (15), the lower end of the rotating wheel (15) is connected with propeller hub (16), described
It is connected on propeller hub (16) about blade (18) is symmetrically gone up before and after propeller hub (16), the side of the upper blade (18) is provided with and institute
The lower blade (19) of blade (18) vertical direction is stated, the side of the lower blade (19) is provided with several air admission holes (21)；
The adjustable support (3) includes horizontal fixation bottom (24), is connected with above the right end of the fixed bottom (24) and institute
It states the vertical right side in fixed bottom (24) to aid the border areas (23), a left side for bending curvature to the right is connected with above the left end of the fixed bottom (24)
It aids the border areas (22).
2. a kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps according to claim 1, it is characterised in that：It is described
The junction of hollow shaft (5) and the floating drum (2) is provided with wooden pressure point support base (8), the motor (1) with it is described can
Junction is provided with abrasion cushion (4) between adjusting holder (3).
3. a kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps according to claim 1, it is characterised in that：It is described
It is connected with columned filter screen (10) on the right side of kuppe (9), several filtering apertures are provided on the filter screen (10)
(11)。
4. a kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps according to claim 1, it is characterised in that：It is described
The least significant end of propeller hub (16) is provided with the diversion column (17) that bottom end is arc-shaped.
5. a kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps according to claim 1, it is characterised in that：It is described
The side of upper blade (18) and the lower blade (19) is arranged to wing arcuation, and the upper blade (18) and the lower blade
(19) it is raised (20) that blade is both provided on upper surface.
6. a kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps according to claim 1, it is characterised in that：It is described
A left side aid the border areas (22) radian bending to the right relative to the right side aid the border areas (23) apex bending angle be 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721575076.2U CN207720984U (en) | 2017-11-22 | 2017-11-22 | A kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721575076.2U CN207720984U (en) | 2017-11-22 | 2017-11-22 | A kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207720984U true CN207720984U (en) | 2018-08-14 |
Family
ID=63088459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721575076.2U Expired - Fee Related CN207720984U (en) | 2017-11-22 | 2017-11-22 | A kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207720984U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112167162A (en) * | 2020-11-12 | 2021-01-05 | 湖南省河洲生态甲鱼养殖有限公司 | Oxygenation device for soft-shelled turtle breeding in winter |
| CN114342868A (en) * | 2022-01-18 | 2022-04-15 | 浙江大学 | Oxygenation device based on rotary shearing form tiny bubbles |
-
2017
- 2017-11-22 CN CN201721575076.2U patent/CN207720984U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112167162A (en) * | 2020-11-12 | 2021-01-05 | 湖南省河洲生态甲鱼养殖有限公司 | Oxygenation device for soft-shelled turtle breeding in winter |
| CN114342868A (en) * | 2022-01-18 | 2022-04-15 | 浙江大学 | Oxygenation device based on rotary shearing form tiny bubbles |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207720984U (en) | A kind of spiral oxygen-increasing device used for aquiculture of crab fishes and shrimps | |
| CN102150637B (en) | Differential-speed double-impeller aerator | |
| CN203788903U (en) | Aquaculture net cage convenient for fishing | |
| CN208064239U (en) | A kind of carp culture pond herbal sprinkling device | |
| CN207727639U (en) | A kind of Accrete clearing device used for aquiculture being conveniently operated | |
| CN108755632A (en) | A kind of water surface foreign matter fishing device used for aquiculture | |
| CN207083861U (en) | A kind of net cage applied to the screening of different size fry | |
| CN202077488U (en) | Device for breeding turtles in ecological pool | |
| CN206620720U (en) | Oxygen enhancing aeration device used for aquiculture and the mobile device with the device | |
| CN108377959A (en) | A kind of outdoor solar energy self-rotary fishery aerator and its method | |
| CN107751058A (en) | Anti- leech release apparatus | |
| CN206821715U (en) | A kind of device improved Si Minnow parent population spawning rates | |
| CN207100189U (en) | A kind of oxygen increasing machine impeller | |
| CN207720991U (en) | A kind of yellow sand soft-shelled turtle high-density breeding device | |
| CN109220971A (en) | Oxygen increasing equipment used for aquiculture | |
| CN206895590U (en) | Circulating water cultivation pond | |
| CN2154366Y (en) | Rotary watercart | |
| CN212476292U (en) | Oxygenation water running machine | |
| CN106982775A (en) | A kind of device and method improved Si Minnow parent population spawning rates | |
| CN201106294Y (en) | Baby swimming pool | |
| CN209390880U (en) | A kind of Hehua fish cultivation oxygen system | |
| CN108513945B (en) | Fishery aerator based on volute type centrifugal fan and using method thereof | |
| CN208724692U (en) | A kind of miniflow hirudiniculture bed | |
| CN202680262U (en) | Multi-row rotational-flow water intake device of rectangular cultivation pool of young sea cucumbers | |
| CN207612955U (en) | A kind of trout cultivation oxygen-increasing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 Termination date: 20191122 |