CN209020153U - The device of ozone filter tank processing organic exhaust gas is combined in UV photodissociation - Google Patents
The device of ozone filter tank processing organic exhaust gas is combined in UV photodissociation Download PDFInfo
- Publication number
- CN209020153U CN209020153U CN201920440997.0U CN201920440997U CN209020153U CN 209020153 U CN209020153 U CN 209020153U CN 201920440997 U CN201920440997 U CN 201920440997U CN 209020153 U CN209020153 U CN 209020153U
- Authority
- CN
- China
- Prior art keywords
- photodissociation
- exhaust gas
- organic exhaust
- ozone
- 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
- 238000006303 photolysis reaction Methods 0.000 title claims abstract description 59
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000007921 spray Substances 0.000 claims abstract description 29
- 239000000945 filler Substances 0.000 claims abstract description 28
- 230000008676 import Effects 0.000 claims abstract description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 96
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 description 11
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010815 organic waste Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000006385 ozonation reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses the devices of UV photodissociation joint ozone filter tank processing organic exhaust gas, including UV photodissociation tank, ozone input unit and filter apparatus, UV photodissociation tank includes sequentially connected organic exhaust gas import, photodissociation portion and organic exhaust gas outlet, several plates equidistantly laid are inserted in photodissociation portion, panel surfaces load nano-TiO2, UV lamp is installed on photodissociation portion top tank structure between two plates, ozone input unit includes ozone generator and ozone input pipe, filter apparatus includes bottom pond, gas cylinder, water pump, spray tube, spray head, loading plate and ventilative filler, equipped with the water with certain altitude in the pond of bottom, air hole is set on loading plate, the gas of loading plate lower part can be made to flow to loading plate top through air hole, stack ventilative filler in loading plate upper surface, organic exhaust gas outlet is connect with a connecting tube, connecting tube is inserted into gas cylinder lower inside, the exhaust gas that organic exhaust gas exports outflow can be directed into below the loading plate of gas cylinder.
Description
Technical field
The utility model belongs to the technical field of exhaust-gas treatment, and in particular to UV photodissociation combines ozone filter tank and handles organic waste
The device of gas.
Background technique
The precursor that VOCs (volatile organic contaminant) is generated as ozone, is one of organic exhaust gas.Conventionally employed
VOCs treatment technology mainly has absorption method, combustion method, plasma method, ultraviolet light solution, Ozonation, spray process and life
Object method, various technologies have good effect to abatement VOCs discharge, are respectively suitable for the processing of the organic exhaust gas of different occasions,
But there is also respective deficiencies, wherein ultraviolet light solution, Ozonation, spray process will not be produced when administering organic exhaust gas
Raw additional secondary pollution, it is more environmentally friendly, however, that there is degradation efficiencies is not high for these three methods, it is easy to produce degradation not
Complete situation;In this case, it is badly in need of technique improvement innovation, researches and develops with ultraviolet light solution, Ozonation and spray process
Based on environment friendly and pollution-free and high degradation efficiency comprehensive organic waste gas treatment device.
Utility model content
Technical problem to be solved in the utility model is in view of the above shortcomings of the prior art, to provide a kind of UV photodissociation connection
Close the device of ozone filter tank processing organic exhaust gas.
To realize the above-mentioned technical purpose, the technical solution that the utility model is taken are as follows:
UV photodissociation combine ozone filter tank processing organic exhaust gas device, in which: including UV photodissociation tank, ozone input unit and
Filter apparatus, UV photodissociation tank include that sequentially connected organic exhaust gas import, photodissociation portion and organic exhaust gas outlet, photodissociation are inserted in portion
Photodissociation part is divided into the compartment of several sealings by several plates equidistantly laid, plate, and panel surfaces load nanometer
TiO2, be provided on plate several for ventilation the through-hole for penetrating through plate, on the photodissociation portion top tank structure between two plates
UV lamp is installed, the ultraviolet luminous energy that UV lamp issues is radiated at panel surfaces, and organic exhaust gas flows through organic exhaust gas import and several
After plate, export and flow out through organic exhaust gas, ozone input unit includes ozone generator and ozone input pipe, ozone generator and
The connection of ozone input pipe one end, the ozone input pipe other end and organic exhaust gas outlet, filter apparatus includes bottom pond, air guide
Cylinder, water pump, spray tube, spray head, loading plate and ventilative filler, equipped with the water with certain altitude, air guide barrel cover in the pond of bottom
On the pond of bottom, gas cylinder top and bottom opening, the lower ending opening of gas cylinder is immersed in the water in bottom pond, so that under gas cylinder
End seal is closed, and the pump mouth of water pump protrudes into the water in bottom pond, and the water outlet of water pump is connect with spray tube, and spray tube is located in gas cylinder
Upper lateral part, spray head are connected on spray tube, can be located at gas cylinder middle inside to ventilative filler spray water, loading plate, carrying
Air hole is set on plate, the gas of loading plate lower part can be made to flow to loading plate top through air hole, and loading plate upper surface is stacked ventilative
Filler, organic exhaust gas outlet are connect with a connecting tube, and connecting tube is inserted into gas cylinder lower inside, can be by organic exhaust gas outlet stream
Exhaust gas out is directed into below the loading plate of gas cylinder.
To optimize above-mentioned technical proposal, the concrete measure taken further include:
Above-mentioned UV photodissociation tank is horizontal, and the top in photodissociation portion is an openable and closable upper cover, and UV lamp is fixed on lid, UV lamp
By one in upper cover the conducting wire of cabling connect with external power supply.
The lower inside in above-mentioned photodissociation portion is also equipped with UV lamp, the UV lamp of upper cover and the UV lamp position phase in photodissociation subordinate portion
It is corresponding.
Above-mentioned plate lower end is inserted between two UV lamps in photodissociation subordinate portion, is mutually fixed by frictional force, plate upper end
It is inserted between two UV lamps of upper cover, is mutually fixed by frictional force.
Above-mentioned ventilative filler is ceramic grain.
Liquidometer is installed, liquidometer is used to measure the height of the water in the pond of bottom, liquidometer and a control on above-mentioned bottom pond
Device signal connection processed, controller are connect with a water injecting pump, and controller can control water injecting pump and fill the water into bottom pond.
Above-mentioned controller is AT89S52 single-chip microcontroller single-chip microcontroller.
The utility model has the advantage that
1, UV photodissociation tank, ozone input unit and filter apparatus are grouped together by the utility model, organic by three kinds
Waste gas processing method is together handled organic exhaust gas, in the case where additionally not generating secondary pollution, improves organic waste
The decomposition efficiency of gas.
2, the utility model is provided with ventilative filler in gas cylinder, is mixed with the organic exhaust gas of ozone by ventilative filler
When, it is necessary to the gap through filler could continue uplink, and spray head is above ventilative filler, and to ventilative filler water drenching, and water needs
It could be fallen by the gap of filler, this leads to water, organic exhaust gas conflict at ventilative filler, makes the ozone in organic exhaust gas
It is come into full contact with VOCs, further improves the decomposition efficiency of organic exhaust gas.
3, the top of UV photodissociation tank is retractable, facilitates placement plate, and the through-hole in adjacent insert plates is staggered, and increases
The contact probability of organic exhaust gas and panel surfaces, and panel surfaces coated with nano TiO2, nano-TiO2The electronics generated with ultraviolet light
The OH of hole pair and strong oxidizing property-、O2+The strong oxidation of free radical to organic matter in organic exhaust gas and reducing substances into
Row oxidation processes resolve into small-molecule substance or inorganic matter, reach VOCs treatment effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of UV photodissociation tank.
Appended drawing reference therein are as follows: UV photodissociation tank 1, photodissociation portion 12, organic exhaust gas outlet 13, is inserted at organic exhaust gas import 11
Plate 14, through-hole 14a, UV lamp 15, ozone input unit 2, ozone generator 21, ozone input pipe 22, filter apparatus 3, bottom pond 31,
Gas cylinder 32, water pump 33, spray tube 34, spray head 35, loading plate 36, ventilative filler 37, liquidometer 38, connecting tube 4, controller
5, water injecting pump 51.
Specific embodiment
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
The utility model UV photodissociation joint ozone filter tank processing organic exhaust gas device, in which: including UV photodissociation tank 1,
Ozone input unit 2 and filter apparatus 3, UV photodissociation tank 1 include sequentially connected organic exhaust gas import 11, photodissociation portion 12 and organic
Waste gas outlet 13 is inserted with several plates 14 equidistantly laid in photodissociation portion 12, and photodissociation portion 12 is divided into several by plate 14
The compartment of a sealing, 14 area load nano-TiO of plate2, be provided on plate 14 several for ventilation perforation plate 14
Through-hole 14a, UV lamp 15 is installed on 12 top tank structure of photodissociation portion between two plates 14, the ultraviolet luminous energy that UV lamp 15 issues shines
It penetrates on 14 surface of plate, after organic exhaust gas flows through organic exhaust gas import 11 and several plates 14, through 13 stream of organic exhaust gas outlet
Out, ozone input unit 2 includes ozone generator 21 and ozone input pipe 22,22 one end of ozone generator 21 and ozone input pipe
Connection, 22 other end of ozone input pipe are connected to organic exhaust gas outlet 13, and filter apparatus 3 includes bottom pond 31, gas cylinder 32, water pump
33, spray tube 34, spray head 35, loading plate 36 and ventilative filler 37, equipped with the water with certain altitude, air guide in bottom pond 31
Cylinder 32 covers on bottom pond 31, and 32 top and bottom of gas cylinder opening, the lower ending opening of gas cylinder 32 is immersed in the water in bottom pond 31,
So that the lower end closed of gas cylinder 32, the pump mouth of water pump 33 is protruded into the water in bottom pond 31, the water outlet and spray tube of water pump 33
34 connections, spray tube 34 are located at 32 inside upper part of gas cylinder, and spray head 35 is connected on spray tube 34, can be sprayed to ventilative filler 37
Watering, loading plate 36 are located at 32 middle inside of gas cylinder, set air hole on loading plate 36, and the gas of 36 lower part of loading plate can be made to pass through
Air hole flow to 36 top of loading plate, and ventilative filler 37, organic exhaust gas outlet 13 and a connecting tube 4 are stacked in 36 upper surface of loading plate
Connection, connecting tube 4 are inserted into 32 lower inside of gas cylinder, and the exhaust gas that organic exhaust gas can be exported to 13 outflows is directed into gas cylinder 32
The lower section of loading plate 36.
In embodiment, UV photodissociation tank 1 is horizontal, and the top in photodissociation portion 12 is an openable and closable upper cover, and UV lamp 15 is fixed on
Cover, UV lamp 15 by one in upper cover the conducting wire of cabling connect with external power supply.
In embodiment, the lower inside in photodissociation portion 12 is also equipped with UV lamp 15,12 lower part of UV lamp 15 and photodissociation portion of upper cover
15 position of UV lamp it is corresponding.
In embodiment, 14 lower end of plate is inserted between two UV lamps 15 of 12 lower part of photodissociation portion, is mutually fixed by frictional force,
14 upper end of plate is inserted between two UV lamps 15 of upper cover, is mutually fixed by frictional force.
In embodiment, filler 37 of breathing freely is ceramic grain.
In embodiment, liquidometer 38 is installed on bottom pond 31, liquidometer 38 is used to measure the height of the water in bottom pond 31, liquid
Position meter 38 is connect with 5 signal of a controller, and controller 5 is connect with a water injecting pump 51, and controller 5 can control water injecting pump 51 to bottom pond
Water filling in 31.
In embodiment, controller 5 is AT89S52 single-chip microcontroller.
The application method of the present apparatus is as follows: as shown in Figure 1, the UV photodissociation tank 1 of the utility model is mounted on front end, it is organic
It after exhaust gas is passed through UV photodissociation tank 1 from organic exhaust gas import 11, is flowed between plate 14, and has the input of UV lamp 15 between plate 14
Ultraviolet light passes through the nano-TiO on 14 surface of plate2With the effect of ultraviolet light, organic exhaust gas preliminary exposition in UV photodissociation tank 1,
Then organic exhaust gas enters connecting tube 4 from organic exhaust gas outlet 13, while the ozone that ozone generator 21 generates is also by ozone
Input pipe 22 enters connecting tube 4, and the organic exhaust gas for being mixed with ozone is sprayed from the connecting tube 4 in gas cylinder 32, is moved up, and passes through
When ventilative filler 37, it is necessary to the gap through ventilative filler 37 could continue uplink, and spray head 35 is above ventilative filler 37, to
Ventilative 37 water drenching of filler, and water needs to fall by the gap of filler, this causes water, organic exhaust gas to rush at ventilative filler
It is prominent, ozone and VOCs in organic exhaust gas are come into full contact with, the decomposition efficiency of organic exhaust gas is further improved, it also can be molten in water
Part ozone is solved, last water is fallen into bottom pond 31, then is smoked by water pump 33, for spraying organic exhaust gas, obtains ozone repeatedly
The effect utilized.Liquidometer 38 is capable of measuring the water in bottom pond 31, if water is very little, controller 5 controls 51 note of water injecting pump
Water guarantees have enough water to use in bottom pond 31.Finally, the organic exhaust gas after decomposition is escaped from 32 upper end opening of gas cylinder.
Above are merely preferred embodiments of the utility model, the protection scope of the utility model is not limited merely to above-mentioned
Embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should be pointed out that pair
For those skilled in the art, several improvements and modifications without departing from the principle of the utility model,
It should be regarded as the protection scope of the utility model.
Claims (7)
- The device of ozone filter tank processing organic exhaust gas is combined in 1.UV photodissociation, it is characterized in that: including UV photodissociation tank (1), ozone input Device (2) and filter apparatus (3), the UV photodissociation tank (1) include sequentially connected organic exhaust gas import (11), photodissociation portion (12) and organic exhaust gas exports (13), is inserted with several plates (14) equidistantly laid in the photodissociation portion (12), described Plate (14) by photodissociation portion (12) be divided into several sealing compartment, the plate (14) area load nano-TiO2, Be provided on plate (14) several for ventilation perforation plate (14) through-hole (14a), light between two plates (14) It is equipped with UV lamp (15) on solution portion (12) top tank structure, the ultraviolet luminous energy that the UV lamp (15) issues is radiated at plate (14) table Face, it is described through organic exhaust gas outlet (13) outflow after organic exhaust gas flows through organic exhaust gas import (11) and several plates (14) Ozone input unit (2) include ozone generator (21) and ozone input pipe (22), the ozone generator (21) and smelly The connection of oxygen input pipe (22) one end, ozone input pipe (22) other end are connected to organic exhaust gas outlet (13), the filter tank dress Set (3) include bottom pond (31), gas cylinder (32), water pump (33), spray tube (34), spray head (35), loading plate (36) and thoroughly Gas filler (37), equipped with the water with certain altitude in the bottom pond (31), gas cylinder (32) is covered on Di Chi (31), air guide Cylinder (32) top and bottom opening, the lower ending opening of gas cylinder (32) is immersed in the water of bottom pond (31), so that gas cylinder (32) Lower end closed, the pump mouth of the water pump (33) protrudes into the water of (31) Di Chi, the water outlet and spray tube of water pump (33) (34) it connecting, the spray tube (34) is located at gas cylinder (32) inside upper part, and spray head (35) is connected on spray tube (34), Gas cylinder (32) middle inside can be located to ventilative filler (37) spray water, the loading plate (36), loading plate is set on (36) Air hole can make the gas of loading plate (36) lower part flow to loading plate (36) top through air hole, on the loading plate (36) Surface is stacked ventilative filler (37), and the organic exhaust gas outlet (13) is connect with a connecting tube (4), the connecting tube (4) It is inserted into gas cylinder (32) lower inside, the exhaust gas that organic exhaust gas can be exported to (13) outflow is directed into the carrying of gas cylinder (32) Below plate (36).
- 2. the device of UV photodissociation joint according to claim 1 ozone filter tank processing organic exhaust gas, it is characterized in that: described UV photodissociation tank (1) is horizontal, and the top of photodissociation portion (12) is an openable and closable upper cover, and the UV lamp (15) is fixed on lid, The UV lamp (15) by one in upper cover the conducting wire of cabling connect with external power supply.
- 3. the device of UV photodissociation joint according to claim 2 ozone filter tank processing organic exhaust gas, it is characterized in that: described The lower inside in photodissociation portion (12) is also equipped with UV lamp (15), the UV lamp (15) of the upper cover and the UV of photodissociation portion (12) lower part Lamp (15) position is corresponding.
- 4. the device of UV photodissociation joint according to claim 3 ozone filter tank processing organic exhaust gas, it is characterized in that: described Plate (14) lower end is inserted between two UV lamps (15) of photodissociation portion (12) lower part, is mutually fixed by frictional force, the plate (14) upper end is inserted between two UV lamps (15) of upper cover, is mutually fixed by frictional force.
- 5. the device of UV photodissociation joint according to claim 4 ozone filter tank processing organic exhaust gas, it is characterized in that: described Ventilative filler (37) are ceramic grain.
- 6. the device of UV photodissociation joint according to claim 5 ozone filter tank processing organic exhaust gas, it is characterized in that: described It is equipped on bottom pond (31) liquidometer (38), the liquidometer (38) is used to measure the height of the water in bottom pond (31), described Liquidometer (38) connect with a controller (5) signal, the controller (5) is connect with a water injecting pump (51), the control Device (5) processed can control water filling in water injecting pump (51) Xiang Dichi (31).
- 7. the device of UV photodissociation joint according to claim 6 ozone filter tank processing organic exhaust gas, it is characterized in that: described Controller (5) is AT89S52 single-chip microcontroller.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920440997.0U CN209020153U (en) | 2019-04-03 | 2019-04-03 | The device of ozone filter tank processing organic exhaust gas is combined in UV photodissociation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920440997.0U CN209020153U (en) | 2019-04-03 | 2019-04-03 | The device of ozone filter tank processing organic exhaust gas is combined in UV photodissociation |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209020153U true CN209020153U (en) | 2019-06-25 |
Family
ID=66911912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920440997.0U Expired - Fee Related CN209020153U (en) | 2019-04-03 | 2019-04-03 | The device of ozone filter tank processing organic exhaust gas is combined in UV photodissociation |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209020153U (en) |
-
2019
- 2019-04-03 CN CN201920440997.0U patent/CN209020153U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203829904U (en) | Modular grouped organic waste gas treatment device | |
CN204841374U (en) | Degradation device who contains VOCs waste gas | |
CN102135292A (en) | Atomization photocatalysis air cleaner | |
CN206424763U (en) | A kind of exhaust-gas efficient purifier for Painting Shop | |
CN204619745U (en) | A kind of being applicable to sprays the exhaust treatment system device in organic exhaust gas work progress | |
CN201652613U (en) | Atomization photocatalysis air purifier and air purification humidifier | |
CN203955032U (en) | A kind of low energy consumption ultraviolet ray deodorization device | |
CN209020153U (en) | The device of ozone filter tank processing organic exhaust gas is combined in UV photodissociation | |
CN211133525U (en) | Multicomponent organic waste gas safety governance device | |
CN107583425A (en) | A kind of VOCs treatment apparatus and method | |
CN204724325U (en) | Micro-electric charge fountain waste gas pollution control and treatment system | |
CN204111873U (en) | Pot galvanize descaling bath acid mist treatment system | |
CN206428051U (en) | A kind of improved self-generating ozone sterilizer | |
CN207342443U (en) | A kind of lacquer spraying waste gas integrated treatment unit | |
CN205461800U (en) | Organic waste gas processing system based on compound catalytic oxidation technique | |
CN214051162U (en) | High-efficient processing apparatus of VOC exhaust-gas treatment | |
CN205627571U (en) | Compound exhaust gas purification device | |
CN205461802U (en) | Organic waste gas processing system based on advanced oxidation technologies | |
CN103480230A (en) | Sulfide waste gas purification absorption device and use method thereof | |
CN206828141U (en) | Circulation photoelectrocatalysioxidization oxidization combined treatment device in a kind of | |
CN211537243U (en) | Waste gas treatment system of high-efficient catalyst | |
CN210544398U (en) | Laboratory exhaust-gas treatment equipment | |
CN208130835U (en) | Micro-nano bubble cooperates with photoelectrocatalysis exhaust treatment system | |
CN206793372U (en) | The integration apparatus that the sewage plant such as sulfide hydrogen foul waste gas is administered | |
CN203803361U (en) | Paint waste gas oxidizing 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: 20190625 |