CN208684665U - A kind of water purifying device - Google Patents
A kind of water purifying device Download PDFInfo
- Publication number
- CN208684665U CN208684665U CN201821043042.3U CN201821043042U CN208684665U CN 208684665 U CN208684665 U CN 208684665U CN 201821043042 U CN201821043042 U CN 201821043042U CN 208684665 U CN208684665 U CN 208684665U
- Authority
- CN
- China
- Prior art keywords
- water
- waste water
- outlet
- water tank
- filter layer
- 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
Abstract
The utility model discloses a kind of water purifying device, including the first filter device, tank shell and control device, clear water tanks, waste water tank and boiler are equipped in tank shell;Tap water enters the first filter device under the action of water pump, flows into clear water tanks through the filtered water purification of the first filter device, the first water purification outlet on clear water tanks is daily clean cooling water outlet, and the second water purification outlet is connect with the third water inlet on boiler;First heater and the first temperature detector are equipped in boiler, boiler is equipped with hot water outlet;Waste water tank is flowed into through the filtered waste water of the first filter device;The second filter device is equipped in waste water tank, the second filter device is arranged in the second water inlet;Wastewater outlet, overflow port, slag-drip opening are also set on waste water tank.The utility model structure is simple, is collected into waste water tank through the filtered waste water of the first filter device, the waste water in waste water tank can be used to do washing clothes, wash one's hands, pour dish etc., water reuse rate height.
Description
Technical field
The utility model belongs to drinking water purification equipment technical field, and in particular to a kind of water purifying device.
Background technique
With the continuous improvement of people's living standards, and water pollution degree, the no longer direct drinking public water supply of people, and
It is to be re-used as daily water consumption after the harmful substance that tap water is filtered in water and be utilized, it is known that water purifier
A large amount of waste water can be generated during manufacturing pure water, 1 liter of pure water of every manufacture will generate 4.3 liters of waste water, then passing through
The filtered waste water of filter is then directly discharged into sewer from filter wastewater outlet, can effectively cause water resource waste in this way,
If Waste Water Centralized can be collected, for the place not high to water quality requirement, unnecessary water resource wave can be largely reduced
Take.
Utility model content
The purpose of this utility model is to provide a kind of structures, and one kind that is simple, can recycling and reusing waste water is novel net
Wetting system.
Based on object above, the utility model takes following technical scheme: a kind of water purifying device, including the first filtering
Device, tank shell and control device, the tank shell is interior to be equipped with clear water tanks, waste water tank and boiler;
Tap water enters first filter device under the action of water pump, and it is net that first filter device is equipped with filtering
Water out and filtered wastewater outlet;
The filtering water purification outlet is connect with the first water inlet on clear water tanks, and the first water purification is additionally provided on the clear water tanks
Outlet, the second water purification outlet, first water purification outlet are daily clean cooling water outlet, second water purification outlet and boiler
On third water inlet connection;First heater and the first temperature detector are equipped in the boiler, on the boiler
Equipped with hot water outlet;
The filtered wastewater outlet is connect with the second water inlet on waste water tank, and the second filtering dress is equipped in the waste water tank
It sets, the second filter device is arranged in the second water inlet;Wastewater outlet, overflow port, slag-drip opening are also set on the waste water tank, it is described
Overflow port is connect by overflow pipe with sewer;
The control device includes main controller and control panel, and the control panel is equipped with for controlling the first heating dress
The first heater switch for setting work, the first temperature regulating key and display screen for water heating temperature in boiler to be arranged, institute
State the signal input of the first heater switch, the first temperature regulating key, the signal output end of the first temperature detector and main controller
End connection, the input terminal connection first heater and display screen of the main controller.
Preferably, further include level display device for showing liquid level information in waste water tank.
Preferably, the level display device includes gauge pipe, and the gauge pipe is equipped with useless for identifying
The scale of liquid level in water tank, the waste water tank are equipped with liquid level mouth, and gauge pipe one end is connected by water pipe and liquid level mouth
It connects, the gauge pipe other end is equipped with gas vent, and the height of the gas vent is higher than the height of waste water tank overflow head piece;The water
Be equipped with floating ball for blocking the gas vent in the staff gauge pipe of position, the floating ball with respect to gas vent position in gauge pipe
SEA LEVEL VARIATION and change.
Preferably, secondary heating mechanism, second temperature detector are equipped in waste water tank, the secondary heating mechanism is heating
Pipe, the waste water tank are equipped with the heating tube mounting hole for installing heating tube, and the heating tube is horizontally installed in waste water tank,
The lower section of wastewater outlet is arranged in the heating tube mounting hole.
Preferably, the second heater switch for controlling secondary heating mechanism is additionally provided on the control panel, for setting
Set the second temperature regulating key of water heating temperature in waste water tank, second heater switch, second temperature regulating key, second
The signal output end of temperature detector and the signal input part of main controller connect, the second heating of input terminal connection of the main controller
Device.
Preferably, second water inlet is equipped with triple valve, and the triple valve is Y-shaped triple valve, the triple valve
The first port connect with running water outlet, the filtered wastewater of the second port of triple valve and the first filter device, which exports, to be connected,
The third connectivity mouth of triple valve is connect with the water inlet of the second filter device.
Preferably, first filter device includes the first activated carbon filter layer, the first PP cotton filter layer, cocoanut active charcoal
5 filter layer, RO membrane reverse osmosis layer, the second activated carbon filter layer filter layers, tap water is successively through preposition activated carbon filter layer, PP
Clear water tanks are respectively enterd after cotton filter layer, cocoanut active charcoal filter layer, RO membrane reverse osmosis layer and the filtering of post active carbon filter layer
And waste water tank;
Second filter device includes the first filter layer and the second filter layer, and first filter layer is the 2nd face PP mistake
Filtering layer, second filter layer are third activated carbon filter layer.
Preferably, the slag-drip opening is arranged below heating tube mounting hole;Seal plug is equipped at the slag-drip opening, it is described
Seal plug is magnesium bar plug;The top of the second water inlet is arranged in or with the second water inlet in sustained height in the overflow port
At position;The diameter of the overflow port is greater than the diameter of the second water inlet.
Preferably, vertical distance is 10 ~ 20cm between the heating tube mounting hole and the second water outlet;Second water inlet
The diameter of mouth is 8 ~ 12mm;The diameter of the overflow port is 15 ~ 25mm.
Preferably, vertical distance is 15cm between the heating tube mounting hole and the second water outlet;The diameter of the third
For 10mm;The diameter of the overflow port is 20mm.
Compared with prior art, the utility model has the following beneficial effects:
1. the utility model structure is simple, it is collected into waste water tank by the first filter filtered waste water of device, waste water
Waste water in case can be used to do washing clothes, wash one's hands, pour dish etc., water reuse rate height.The first filter device in the utility model
It is not integral structure with shell, can be realized the first filter device and shell partial installation, during installation, user as needed may be used
It is quick for installation the first filter device to be mounted at any rational position.Gauge pipe and waste water in the utility model
Liquid level mouth connects on case, learns liquid level information in waste water tank convenient for people.The boiler of the utility model can meet people to dry
The demand of net thermal water, in use, can control the work shape of first heater by the first heater switch on control panel
Heating temperature can be set by the first temperature regulating key in state, for example, being set heating temperature by the first temperature regulating key
40 DEG C are set to, the temperature signal of water is sent to controller, controller analysis in the boiler that the first temperature detector will test
After processing, the temperature signal that the first temperature detector detects is shown in digital form over the display in real time, works as heat
When water temperature in water tank reaches 40 DEG C, controller controls first heater and stops heating;The second heating in the utility model
Device, when needing to wish the water in waste water tank is warm water, can pass through second on control panel with the water in heated waste water case
Heater switch can control heating tube working condition, heating temperature can be set by second temperature regulating key, for example, passing through
Heating temperature is set 40 DEG C by second temperature regulating key, and the temperature signal that second temperature detector will test is sent to control
Device processed, after controller analysis processing, the temperature signal that second temperature detector is detected is in real time over the display with the shape of number
Formula is shown, when the water temperature in waste water tank reaches 40 DEG C, controller controls heating tube and stops heating, and then can satisfy people
Demand to hot water.
2, the overflow port in the utility model can ensure to be discharged in time by waste water in waste water tank, and the aperture of overflow port
Greater than the second water inlet, more ensure waste water discharge in time, guarantees that water will not overfill from the gas vent on gauge pipe.
Slag-drip opening is equipped with below waste water tank in 3 the utility model, the impurity and scale accumulated all the year round can be from slag-drip opening
All discharges;Magnesium bar plug is equipped at slag-drip opening, magnesium bar can protect waste water tank not being corroded when used for a long time.
4, the gauge pipe in the utility model is equipped with scale, enables a user to precisely learn liquid in waste water tank
Position information.
5, the heating tube mounting hole in the utility model and between wastewater outlet vertical distance be 15cm, which is through trying
Determining best spacing is tested, heating tube mounting hole is arranged below wastewater outlet, it is ensured that the water level in waste water tank is higher than heating tube,
Avoid the phenomenon that water level is lower than heating tube, causes heating tube dry combustion method in waste water tank.
6, the display screen in the utility model is convenient for user for water temperature information in real-time display boiler and waste water tank
Learn water temperature information.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the control principle block diagram of the control device in the utility model.
In figure: water pump 01, shell 1, the first filter device 2 filter water purification outlet 21, filtered wastewater outlet 22, clear water tanks
3, the first water inlet 31, the first water purification outlet 32, the second water purification outlet 33, boiler 4, third water inlet 41, hot water outlet 42,
Waste water tank 5, overflow port 51, the second water inlet 52, wastewater outlet 53, heating tube mounting hole 54, slag-drip opening 55, liquid level mouth 56 add
Heat pipe 57, the second filter device 58, triple valve 6, gauge pipe 7, gas vent 71, floating ball 8, seal plug 9.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings of the specification, it is clear that described embodiment
It is the most preferred embodiment of the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection.It can be connected directly, can also be connected by intermediary brief introduction.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
As shown in Figs. 1-2, a kind of water purifying device, including the first filter device 2, tank shell 1 and control device, water
Clear water tanks 3, waste water tank 5 and boiler 4 are equipped in tank shell 1.
Tap water enters first filter device 2 under the action of water pump 01, and it is net that the first filter device is equipped with filtering
Water out 21 and filtered wastewater outlet 22.
First filter device 2 includes the first activated carbon filter layer, the first PP cotton filter layer, cocoanut active charcoal filter layer, RO
5 membrane reverse osmosis layer, the second activated carbon filter layer filter layers, tap water successively through preposition activated carbon filter layer, PP cotton filter layer,
It is useless from filtering water purification outlet 21 and filtering after cocoanut active charcoal filter layer, RO membrane reverse osmosis layer and the filtering of post active carbon filter layer
Water out 22 respectively enters clear water tanks 3 and waste water tank 5.
Filtering water purification outlet 21 is connect with the first water inlet 31 on clear water tanks 3, and the first water purification is additionally provided on clear water tanks 3 and is gone out
The 32, second water purification outlet 33 of mouth, the first water purification outlet 32 are daily clean cooling water outlet, the second water purification outlet 33 and boiler 4
On third water inlet 41 connect;First heater and the first temperature detector are equipped in boiler 4, boiler 4 is equipped with
Hot water outlet 42.
Filtered wastewater outlet 22 is connect with the second water inlet 52 on waste water tank 5, and the second filter device is equipped in waste water tank 5
58, the second filter device 58 is arranged at the second water inlet 52;Second filter device 58 includes the first filter layer and the second filtering
Layer, the first filter layer are the 2nd face PP filter layer, and the second filter layer is third activated carbon filter layer.Second filter device 58 can be with
Filter out harmful substance and impurity in water.Triple valve 6 is equipped at second water inlet 52, triple valve is Y-shaped triple valve, triple valve
6 the first port is connect with running water outlet, the filtered wastewater outlet 22 of the second port of triple valve 6 and the first filter device 2
Connection, the third connectivity mouth of triple valve 6 are connect with the water inlet of the second filter device 58.Wastewater outlet 53 is also set on waste water tank 5, is overflow
Head piece 51, slag-drip opening 55 and liquid level mouth 56.Overflow port 51 is connect by overflow pipe with sewer, overflow port 51 be arranged second into
The top at the mouth of a river 52, the diameter of overflow port 51 are greater than the diameter of the second water inlet 52, the second water inlet in the utility model
Diameter is 10mm, and the diameter of overflow port is 20mm.Overflow port 51 more ensures that water energy is enough and is discharged out of waste water tank 5 in time, guarantees
Water in waste water tank 1 will not be overflowed from the gas vent 71 on gauge pipe 7.
Secondary heating mechanism, second temperature detector are equipped in waste water tank 5, secondary heating mechanism is heating tube 57, waste water
Case 5 is equipped with the heating tube mounting hole 54 for installing heating tube 57, and heating tube 57 is horizontally installed in waste water tank 5, heating tube
The lower section of wastewater outlet 53 is arranged in mounting hole 54, and vertical distance is 15cm between heating tube mounting hole 54 and wastewater outlet 53.
The distance is tests determined best spacing, it is ensured that the water level in waste water tank 5 is higher than heating tube 57, avoids water in waste water tank 5
The phenomenon that position is lower than heating tube 57, causes 57 dry combustion method of heating tube.
Slag-drip opening 55 is arranged below heating tube mounting hole 54, and seal plug 9 is equipped at slag-drip opening 55, and seal plug 9 is
Magnesium bar is stifled.The impurity and scale accumulated all the year round can be from all discharges of slag-drip opening 55;Magnesium bar plug, magnesium bar are equipped at slag-drip opening 55
Plug can protect waste water tank 5 not being corroded when used for a long time.
The utility model further includes the level display device for showing liquid level information in waste water tank 5, level display device
Including gauge pipe 7, gauge pipe 7 is hollow pipe, and gauge pipe 7 is equipped with for identifying liquid level in waste water tank 5
Scale, 7 one end of gauge pipe are connect by water pipe with liquid level mouth 56, and 7 other end of gauge pipe is equipped with gas vent 71, water level
The floating ball 8 for blocking gas vent 71 is equipped in staff gauge pipe 77, the height of gas vent 71 is higher than the height of 5 overflow head piece 51 of waste water tank
Degree;Floating ball 8 changes with respect to the position of gas vent 71 with SEA LEVEL VARIATION in gauge pipe 7.Floating ball 8 is with water level in waste water tank 5
Rise and rise, after the water level in waste water tank 5 rises to certain altitude, floating ball 8 can be by the exhaust at 7 top of gauge pipe
Hole 71 seals up, and the water in waste water tank 5 is avoided to flow out from gas vent 71.
Control device includes main controller and control panel, and control panel is equipped with for controlling first heater work
First heater switch, the second heater switch for controlling secondary heating mechanism, for water heating temperature in boiler to be arranged
First temperature regulating key, second temperature regulating key and display screen for water heating temperature in waste water tank to be arranged, first adds
Thermal switch, the second heater switch, the first temperature regulating key, second temperature regulating key, the first temperature detector, second temperature
The signal input part of the signal output end of detector and main controller connects, the input terminal connection first heater of main controller, the
Two heating devices and display screen.Display screen is obtained for water temperature information in real-time display boiler 4 and waste water tank 5 convenient for user
Know water temperature information.
The utility model overall structure is simple, is collected into waste water tank 5 by the first filter filtered waste water of device 2,
Waste water in waste water tank 5 can be used to do washing clothes, wash one's hands, pour dish etc., in addition, the heating tube 57 in waste water tank 5 can heat useless
Water in water tank 5, and then meet the needs of people are to hot water.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of water purifying device, it is characterised in that: including the first filter device, tank shell and control device, the water
Clear water tanks, waste water tank and boiler are equipped in tank shell;
Tap water enters first filter device under the action of water pump, and first filter device is equipped with filtering water purification and goes out
Mouth and filtered wastewater outlet;
The filtering water purification outlet is connect with the first water inlet on clear water tanks, and the first water purification is additionally provided on the clear water tanks and is gone out
Mouthful, the second water purification outlet, first water purification outlet is daily clean cooling water outlet, on second water purification outlet and boiler
Third water inlet connection;It is equipped with first heater and the first temperature detector in the boiler, is set on the boiler
There is hot water outlet;
The filtered wastewater outlet is connect with the second water inlet on waste water tank, and the second filter device is equipped in the waste water tank,
Second filter device is arranged in the second water inlet;Wastewater outlet, overflow port, slag-drip opening are also set on the waste water tank, it is described to overflow
Head piece is connect by overflow pipe with sewer;
The control device includes main controller and control panel, and the control panel is equipped with for controlling first heater work
The first heater switch for making, the first temperature regulating key and display screen for water heating temperature in boiler to be arranged, described the
The signal input part company of one heater switch, the first temperature regulating key, the signal output end of the first temperature detector and main controller
It connects, the input terminal connection first heater and display screen of the main controller.
2. water purifying device as described in claim 1, it is characterised in that: further include for showing liquid level information in waste water tank
Level display device.
3. water purifying device as claimed in claim 2, it is characterised in that: the level display device includes gauge
Pipe, the gauge pipe are equipped with the scale for identifying liquid level in waste water tank, and the waste water tank is equipped with liquid level mouth, described
Gauge pipe one end is connect by water pipe with liquid level mouth, and the gauge pipe other end is equipped with gas vent, the height of the gas vent
Degree is higher than the height of waste water tank overflow head piece;The floating ball for blocking the gas vent is equipped in the gauge pipe, it is described
Floating ball changes with respect to the position of gas vent with SEA LEVEL VARIATION in gauge pipe.
4. water purifying device as claimed in claim 3, it is characterised in that: be equipped with secondary heating mechanism, second in waste water tank
Temperature detector, the secondary heating mechanism are heating tube, and the waste water tank, which is equipped with the heating tube for installing heating tube, pacifies
Hole is filled, the heating tube is horizontally installed in waste water tank, and the lower section of wastewater outlet is arranged in the heating tube mounting hole.
5. water purifying device as claimed in claim 4, it is characterised in that: be additionally provided on the control panel for controlling the
Second heater switch of two heating devices, the second temperature regulating key for water heating temperature in waste water tank to be arranged, described
The signal input part company of two heater switch, second temperature regulating key, the signal output end of second temperature detector and main controller
It connects, the input terminal of the main controller connects secondary heating mechanism.
6. water purifying device as claimed in claim 5, it is characterised in that: second water inlet is equipped with triple valve, institute
Stating triple valve is Y-shaped triple valve, and the first port of the triple valve connect with running water outlet, the second port of triple valve and
The filtered wastewater of first filter device exports connection, and the third connectivity mouth of triple valve is connect with the water inlet of the second filter device.
7. water purifying device as claimed in claim 6, it is characterised in that: first filter device includes the first active carbon
Filter layer, the first PP cotton filter layer, cocoanut active charcoal filter layer, RO membrane reverse osmosis layer, the second activated carbon filter layer 5 filterings
Layer, tap water successively through preposition activated carbon filter layer, PP cotton filter layer, cocoanut active charcoal filter layer, RO membrane reverse osmosis layer and after
Clear water tanks and waste water tank are respectively enterd after setting activated carbon filter layer filtering;
Second filter device includes the first filter layer and the second filter layer, and first filter layer is the filtering of the 2nd face PP
Layer, second filter layer are third activated carbon filter layer.
8. water purifying device as claimed in claim 7, it is characterised in that: the slag-drip opening is arranged under heating tube mounting hole
Side;Seal plug is equipped at the slag-drip opening, the seal plug is magnesium bar plug;The overflow port is arranged in the second water inlet
Top or with the second water inlet at sustained height position;The diameter of the overflow port is greater than the diameter of the second water inlet.
9. water purifying device as claimed in claim 8, it is characterised in that: the heating tube mounting hole and the second water outlet it
Between vertical distance be 10 ~ 20cm;The diameter of second water inlet is 8 ~ 12mm;The diameter of the overflow port is 15 ~ 25mm.
10. water purifying device as claimed in claim 9, it is characterised in that: the heating tube mounting hole and the second water outlet
Between vertical distance be 15cm;The diameter of the third is 10mm;The diameter of the overflow port is 20mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821043042.3U CN208684665U (en) | 2018-07-03 | 2018-07-03 | A kind of water purifying device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821043042.3U CN208684665U (en) | 2018-07-03 | 2018-07-03 | A kind of water purifying device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208684665U true CN208684665U (en) | 2019-04-02 |
Family
ID=65879965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821043042.3U Expired - Fee Related CN208684665U (en) | 2018-07-03 | 2018-07-03 | A kind of water purifying device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208684665U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115353162A (en) * | 2022-07-04 | 2022-11-18 | 宁波方太厨具有限公司 | Sterilizing and water purifying combined machine |
CN117088427A (en) * | 2020-02-03 | 2023-11-21 | 王远 | Industrial sewage treatment device |
-
2018
- 2018-07-03 CN CN201821043042.3U patent/CN208684665U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117088427A (en) * | 2020-02-03 | 2023-11-21 | 王远 | Industrial sewage treatment device |
CN115353162A (en) * | 2022-07-04 | 2022-11-18 | 宁波方太厨具有限公司 | Sterilizing and water purifying combined machine |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104654498B (en) | Integrate water purification humidification and the environment electrical equipment of purification of air | |
CN204434383U (en) | With the water purification machine of filter element life automatic detection function | |
CN208684665U (en) | A kind of water purifying device | |
CN204438398U (en) | Integrate the environment electrical equipment of water purification humidification and purification of air | |
CN106512745A (en) | Water treatment membrane pool pollution evaluating and controlling method | |
CN216837373U (en) | Intelligent filtering system integrating ceramic membrane micro cross flow filtering and dead end filtering | |
CN205590289U (en) | Gaseous cleaning device of oxyhydrogen machine | |
CN108842889A (en) | A kind of equipment for clearing up low-lying place's rainwater | |
CN208536352U (en) | A kind of water circulation use mechanism | |
CN211563926U (en) | Back-flushing system for liquid level meter of solvent regeneration tower | |
CN209558983U (en) | A kind of dyeing waste water heat reclaiming system | |
CN204447539U (en) | With the water purifier of humidification function | |
CN204529497U (en) | Water spilage tray can the water purification machine of exhaust water automatically | |
CN107297134B (en) | A kind of flue gas purification device of high desulfurization efficiency | |
CN110230810A (en) | Without discharge of steam energy-saving deaerator | |
CN204434384U (en) | With the water purification machine of communication function | |
CN104006537B (en) | Automatic pollution discharge formula heat storage water tank | |
CN208732760U (en) | Purifier | |
CN208302533U (en) | It is a kind of novel reverse osmosis to use putamina | |
CN105804158A (en) | Air water generator having air purification function | |
CN206544924U (en) | A kind of anti-clogging oily-water seperating equipment | |
CN212641674U (en) | Dismounting-free water curtain type washable water drainage viewing window | |
CN207237725U (en) | A kind of cleaning equipment of iron pollution micro-filtration/ultrafiltration membrane | |
CN205596911U (en) | High -efficient circulation breeding device | |
CN205710238U (en) | A kind of Multi-function water disinfection purifying equipment |
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: 20190402 Termination date: 20190703 |
|
CF01 | Termination of patent right due to non-payment of annual fee |