CN205210014U - Float fixed dual -purpose type water quality monitoring device - Google Patents
Float fixed dual -purpose type water quality monitoring device Download PDFInfo
- Publication number
- CN205210014U CN205210014U CN201520881084.4U CN201520881084U CN205210014U CN 205210014 U CN205210014 U CN 205210014U CN 201520881084 U CN201520881084 U CN 201520881084U CN 205210014 U CN205210014 U CN 205210014U
- Authority
- CN
- China
- Prior art keywords
- monitoring device
- circuit board
- floating plate
- water monitoring
- housing
- 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
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model provides a float fixed dual -purpose type water quality monitoring device includes casing (1), circuit board (2) at least, floats board (3), fixes cable (4) and at least one electrochemistry probe (5), casing (1) top middle part is connected fixed cable (4), casing (1) below is connected float board (3), circuit board (2) are located casing (1) is inside, circuit board (2) below is stretched out one pin (21) at least and is passed float board (3) and connect electrochemistry probe (5). The utility model discloses the application scope of water quality monitoring device has been extended to have the ability that detects multinomial index simultaneously, alleviate silt and algae to the interference of electrochemistry probe, the life cycle that has prolonged the probe, the utility model discloses but the installation is simple, the suitability is strong, powerful batch production.
Description
Technical field
The utility model relates to a kind of water monitoring device, especially a kind of floating fixed dual-purpose type water monitoring device.
Background technology
China is aquatic products big country, and aquatic products total production occupies the first in the world in continuous 15 years, and aquatic products, at guarantee national food security, enrich consumer's selection, promotes to have played vital role in increasing peasant income and rural economy stable development.Water quality environment is the main factor affecting aquatic product quality, and in recent years, pollution and the destruction of water quality environment cause heavy losses to marine industry.Therefore, develop the various sensor being applicable to water quality monitoring, for the protection of water resource and the sustainable development of culture fishery significant.
Electrochemical sensor is that grow up the 1950's a kind of can the senser element of detection material chemical composition, and it carrys out work by reacting to testee and producing the electric signal be directly proportional to gas concentration.Through the development of nearly 60 years, its susceptibility and selectivity were largely increased, and had low in energy consumption, the feature such as cost performance is high, technology maturation, and environmental monitoring, industrial automation, medical diagnosis and security be antitheft etc., field is applied widely.
But electrochemical sensor still has many puzzlements in the application of water quality monitoring, on the one hand, electrochemical probe is easily subject to the winding of silt and algae in water, and on the other hand, sensor deployment is difficult, is easily deposited to the bottom, causes its recovery utilization rate low.
And at present, one can not only floating but also fixable dual-purpose type water monitoring device.
Utility model content
The utility model provides a kind of floating fixed dual-purpose type water monitoring device, at least comprise housing 1, circuit board 2, floating plate 3, fixed cable 4 and at least one electrochemical probe 5, described housing 1 upper center connects described fixed cable 4, described floating plate 3 is connected below described housing 1, it is inner that described circuit board 2 is positioned at described housing 1, at least stretches out a pin 21 and pass described floating plate 3 and connect described electrochemical probe 5 below described circuit board 2.
Preferably, described fixed cable can be arranged on described housing upper center, be arranged on the upper left of described housing or be arranged on the upper right of described housing.
Preferably, the quantity of described electrochemical probe 5 can be 1,2,3 or 5.
Preferably, also comprise a protective cover 61, described protective cover 61 is in hollow structure, and described protective cover 61 to be positioned at below described floating plate 3 and to connect described floating plate 3, and described electrochemical probe 5 is built in described protective cover 61.
Preferably, the shape of described protective cover 61 can be right cylinder, rectangular parallelepiped, polyhedron or ladder-shaper structure.
Preferably, also comprise a screen pack 62, described screen pack 62 is fitted the xsect of described protective cover 61.
Preferably, also comprise a water joint 7, described water joint 7 is arranged between described housing 1 and described floating plate 3.
Preferably, also comprise a wireless antenna 8, described wireless antenna 8 one end connects described circuit board 2, and the other end stretches out from described housing 1.
Preferably, the position of described wireless antenna 8 can be any one in following situation: the top being arranged on described circuit board left and right sides either side; Be arranged on described circuit board left and right sides either side or be arranged on described circuit board near top position, middle part.
Preferably, the cross-sectional area of described floating plate 3 is greater than the cross-sectional area of described housing 1.
Preferably, the cross-sectional area of described floating plate 3 is greater than the cross-sectional area of described protective cover 61.
This device can be selected to make its free-floating on the water surface, also can select to be fixed on the water surface by cable, thus expand the scope of application of this device.Secondly, this device can assemble one or more electrochemical probe, and therefore this device has the ability simultaneously detecting many index.Again, the protective cover of this device and filter screen can alleviate silt and algae to the interference of electrochemical probe, thus extend the life cycle of probe.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 illustrates according to embodiment of the present utility model, a kind of front view of floating fixed dual-purpose type water monitoring device; And
Fig. 2 illustrates according to embodiment of the present utility model, the working state schematic representation of described floating fixed dual-purpose type water monitoring device.
Embodiment
In order to better make the technical solution of the utility model clearly show, below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 illustrates according to embodiment of the present utility model, a kind of front view of floating fixed dual-purpose type water monitoring device, those skilled in the art understand, the utility model provides a kind of floating fixed dual-purpose type water monitoring device, at least comprise housing 1, circuit board 2, floating plate 3, fixed cable 4 and at least one electrochemical probe 5, described housing 1 is in rectangular-shaped thing, it is the chief component of described water monitoring device, further, described housing 1 can also be other shapes, such as square, right cylinder or polyhedron, the conditioning of described circuit board 2 primary responsibility processing signals, change, be equivalent to the process chip of described water monitoring device, and described floating plate 3 preferably selects density little, light material is made, further, described floating plate 3 is put into water, can swim on the water surface, described floating plate 3 is in floating state for making described water monitoring device in water, described fixed cable 4 is for being fixed on the positioning described water monitoring device, and described electrochemical probe 5 primary responsibility monitors the content of each index in water body.
Further, connect described fixed cable 4 above described housing 1, preferably, described housing 1 upper center connects described fixed cable 4, and in other embodiments, described housing can also be arranged on the upper left of described housing or be arranged on the upper right of described housing.
In such embodiments, described fixed cable 4 preferably adopts the mode of screw threads for fastening to connect described housing 1, preferably, in described fixed cable and described housing 1 junction, screw thread is set, be provided with and above-mentioned screw thread screw thread adaptably in described housing 1 upper center position, described fixed cable 4 can be fixed on described housing 1 upper center by rotating the mode of tightening, and in other embodiments, can also by welding between described housing 1 with described fixed cable 4, the mode of riveted joint or bonding realizes fastening, these belong to currently available technology, do not repeat them here, and the setting position of described fixed cable 4 can also be the left side above described housing 1, right side or top any place, this does not affect the technical solution of the utility model, do not repeat them here.
Further, described floating plate 3 is connected below described housing 1, described floating plate 3 is arranged on the below of described housing 1, described floating plate 3 mainly utilizes the characteristic of buoyancy, make described housing can under the anchorage force effect of described floating plate, swim on the water surface, further, those skilled in the art understand, described floating plate 3 is subject to buoyancy of water should be greater than the gravity of described housing 1 and the gravity sum of described electrochemical probe, and according to physics principle, the buoyancy size of described floating plate 3 also depends on the density of described floating plate, lifting surface area etc. factor, be described in detail in these specific embodiments that will be described below, do not repeat them here.
Further, it is inner that described circuit board 2 is positioned at described housing 1, it is inner that described circuit board is built in described housing 1, preferably adopt waterproof material to carry out encapsulation process below described housing, described circuit board 2 can be arranged on described housing 1 lower inside or be suspended on described enclosure interior optional position.Described circuit board 2 at least stretches out a pin 21 and passes described floating plate 3 and connect described electrochemical probe 5, preferably, described pin 21 is stretched out below described circuit board 2, described pin 21 is connected with the communication between described electrochemical probe for setting up described circuit board 2, and the described water quality signal data monitored preferably is sent on described circuit board 2 by described pin by described electrochemical probe 5.
As the first embodiment of the present utility model, described water monitoring device is provided with an electrochemical probe, and in another preferably embodiment, as shown in Figure 1, described water monitoring device is provided with three electrochemical probes, in such embodiments, described water monitoring device can monitor multinomial water-quality guideline simultaneously, and in other embodiments, the quantity of described electrochemical probe is not fixing, further, described electrochemical probe is replaceable probe, multiple described electrochemical probe can be set in described water monitoring device simultaneously, such as, 2 can also be arranged, 5 even more.
As the second embodiment of the present utility model, described water monitoring device also comprises a protective cover 61, described protective cover is used for impurity under the in running order lower exclusion of water of described water monitoring device, the refuses such as pasture and water are for the interference of described electrochemical probe, preferably, described protective cover 61 is in hollow structure, described protective cover 61 to be positioned at below described floating plate 3 and to connect described floating plate 3, described electrochemical probe 5 is built in described protective cover 61, further, described electrochemical probe is arranged on the inside of the hollow structure that described protective cover and described floating plate surround.
Further, the shape of described protective cover 61 is right cylinder, and described cylindrical height is greater than the length of described electrochemical probe 5, and in other embodiments, the shape of described protective cover 61 can also be rectangular parallelepiped, polyhedron or ladder-shaper structure.
It will be appreciated by those skilled in the art that the cross-sectional area of described floating plate 3 is greater than the cross-sectional area of described housing 1.The cross-sectional area that the cross-sectional area of described floating plate 3 is greater than described housing 1 reduces from certain aspect the possibility that water enters housing; and the cross-sectional area of described floating plate 3 can be more conducive to more greatly float on the surface; further; in one preferably embodiment, the cross-sectional area of described floating plate 3 is greater than the cross-sectional area of described protective cover 61.
As the 3rd embodiment of the present utility model, described water monitoring device also comprises a screen pack 62, described screen pack 62 is fitted the xsect of described protective cover 61, in such embodiments, the below of the floating plate of described water monitoring device is provided with protective cover, described protective cover connects described screen pack, further, described screen pack 62 coordinates described protective cover can alleviate silt and algae to the interference of electrochemical probe, preferably, the size of the internal diameter size of described screen pack 62 and the xsect of described protective cover 61 adapts, in such embodiments, if described protective cover is right cylinder, then described screen pack preferably adopts circular reticulate texture to fit the xsect of described protective cover.
As the 4th embodiment of the present utility model, described water monitoring device not only comprises housing 1, circuit board 2, floating plate 3, fixed cable 4 and electrochemical probe 5, also comprise water joint 7, described water joint 7 is arranged between described housing 1 and described floating plate 3.Described water joint 7 is for the circuit board in exclusion of water further and described housing, under described water monitoring device is in running order, described floating plate can be stained with water quality unavoidably, further, described enclosure interior may be penetrated into, between described housing 1 and described floating plate 3, arrange described water joint can penetrate in housing by anti-sealing further, thus cause the fault of described water monitoring device and aging.
As the 5th embodiment of the present utility model; described water monitoring device not only comprises housing 1, circuit board 2, floating plate 3, fixed cable 4 and electrochemical probe 5; also comprise protective cover and water joint; in such embodiments; described water monitoring device is tackled silt, impurity, pasture and water etc. in water by described protective cover, and completely cuts off described floating plate and described housing by water joint.
As the 6th embodiment of the present utility model; described water monitoring device not only comprises housing 1, circuit board 2, floating plate 3, fixed cable 4 and electrochemical probe 5; also comprise protective cover, screen pack and water joint, embodiment with reference to above-described embodiment, can not repeat them here.
As the 7th embodiment of the present utility model, described water monitoring device not only comprises housing 1, circuit board 2, floating plate 3, fixed cable 4 and electrochemical probe 5, also comprise a wireless antenna 8, in such embodiments, described wireless antenna is used for wirelessly carrying out data transmission, preferably, described water monitoring device position is being provided with a ground control terminal, the water quality data that described water monitoring device collects preferably is transferred in described ground control terminal, for monitoring in real time and data analysis.
Further, described wireless antenna 8 one end connects described circuit board 2, the other end stretches out from described housing 1, described wireless antenna 8 connects described circuit board, described circuit board preferably transfers data to described wireless antenna, further, described wireless antenna transfers data to described ground control terminal.
In one preferably embodiment, as shown in Figure 1, described wireless antenna 8 is arranged on the top of described circuit board left and right sides either side, and in other examples, the position of described wireless antenna is not limited only to the above-mentioned position illustrated, described wireless antenna can also be arranged on described circuit board left and right sides either side or be arranged near top position, middle part on described circuit board, and this does not affect specific embodiments of the present utility model, does not repeat them here.
As the 8th embodiment of the present utility model, described water monitoring device not only comprises housing 1, circuit board 2, floating plate 3, fixed cable 4 and electrochemical probe 5, also comprises protective cover and wireless antenna, and embodiment can with reference to previous embodiment.
As the 9th embodiment of the present utility model; described water monitoring device not only comprises housing 1, circuit board 2, floating plate 3, fixed cable 4 and electrochemical probe 5; also comprise protective cover, screen pack and wireless antenna, embodiment can with reference to previous embodiment.
As the tenth embodiment of the present utility model, described water monitoring device not only comprises housing 1, circuit board 2, floating plate 3, fixed cable 4 and electrochemical probe 5, also comprise water joint and wireless antenna, embodiment can with reference to previous embodiment.
As the 11 embodiment of the present utility model; described water monitoring device not only comprises housing 1, circuit board 2, floating plate 3, fixed cable 4 and electrochemical probe 5; also comprise protective cover, water joint and wireless antenna, embodiment can with reference to previous embodiment.
As the 12 embodiment of the present utility model; described water monitoring device not only comprises housing 1, circuit board 2, floating plate 3, fixed cable 4 and electrochemical probe 5; also comprise protective cover, screen pack, water joint and wireless antenna; as shown in Figure 1; the effect schematic diagram being described 12 embodiment of the present utility model shown in Fig. 1; further, embodiment can with reference to previous embodiment.
Fig. 2 illustrates according to embodiment of the present utility model, the working state schematic representation of described floating fixed dual-purpose type water monitoring device, in such embodiments, described water monitoring device can adopt floating mode to carry out data acquisition, fixed cable can also be used to carry out data acquisition to place's water quality, further, as shown in Figure 2, described water monitoring device is due to the buoyancy of floating plate, swim on the water surface, described electrochemical probe carries out enforcement monitoring to described water quality under water, further, described monitoring result is transferred to described circuit board by pin, described Monitoring Data is transferred to described wireless antenna by described circuit board further, described data are transferred to near-earth control end by wireless by described wireless antenna.
In one preferably embodiment, described water monitoring device can adopt suspension type to be fixed, in such embodiments, as shown in Figure 2, above described water monitoring device, be provided with a fixed station, described fixed station telescopically connects near end, connects a fixed bar below described fixed station, in working order, described fixed bar engages with described fixed cable.
Above specific embodiment of the utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (11)
1. a floating fixed dual-purpose type water monitoring device, it is characterized in that, at least comprise housing (1), circuit board (2), floating plate (3), fixed cable (4) and at least one electrochemical probe (5), described housing (1) top connects described fixed cable (4), described housing (1) below connects described floating plate (3), it is inner that described circuit board (2) is positioned at described housing (1), described circuit board (2) at least stretches out pin (21) through described floating plate (3) and connects described electrochemical probe (5).
2. water monitoring device according to claim 1, is characterized in that, described fixed cable can be arranged on as any one in upper/lower positions:
Be arranged on the upper center of described housing;
Be arranged on the upper left of described housing; Or
Be arranged on the upper right of described housing.
3. water monitoring device according to claim 1 and 2, is characterized in that, the quantity of described electrochemical probe (5) can be following in any one:
1;
2;
3; Or
5.
4. water monitoring device according to claim 3; it is characterized in that; also comprise a protective cover (61); described protective cover (61) is in hollow structure; described protective cover (61) is positioned at described floating plate (3) below and connects described floating plate (3), and described electrochemical probe (5) is built in described protective cover (61).
5. water monitoring device according to claim 4, is characterized in that, the shape of described protective cover (61) can be any one in following shape:
Right cylinder;
Polyhedron; Or
Ladder-shaper structure.
6. the water monitoring device according to claim 4 or 5, is characterized in that, also comprises a screen pack (62), and described screen pack (62) is fitted the xsect of described protective cover (61).
7. water monitoring device according to claim 6, is characterized in that, also comprises a water joint (7), and described water joint (7) is arranged between described housing (1) and described floating plate (3).
8. the water monitoring device according to any one of claim 4 or 5 or 7, it is characterized in that, also comprise a wireless antenna (8), described wireless antenna (8) one end connects described circuit board (2), and the other end stretches out from described housing (1).
9. water monitoring device according to claim 8, is characterized in that, the position of described wireless antenna (8) can be any one in following situation:
Be arranged on described circuit board left and right sides either side; Or
Be arranged on described circuit board near top position, middle part.
10. water monitoring device according to claim 9, is characterized in that, the cross-sectional area of described floating plate (3) is greater than the cross-sectional area of described housing (1).
11. water monitoring devices according to claim 10, is characterized in that, the cross-sectional area of described floating plate (3) is greater than the cross-sectional area of described protective cover (61).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520881084.4U CN205210014U (en) | 2015-11-06 | 2015-11-06 | Float fixed dual -purpose type water quality monitoring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520881084.4U CN205210014U (en) | 2015-11-06 | 2015-11-06 | Float fixed dual -purpose type water quality monitoring device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205210014U true CN205210014U (en) | 2016-05-04 |
Family
ID=55847723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201520881084.4U Expired - Fee Related CN205210014U (en) | 2015-11-06 | 2015-11-06 | Float fixed dual -purpose type water quality monitoring device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205210014U (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106018726A (en) * | 2016-07-06 | 2016-10-12 | 江苏中农物联网科技有限公司 | Aquaculture water quality monitoring device |
CN106526110A (en) * | 2016-09-28 | 2017-03-22 | 成都益睿信科技有限公司 | Water source region water quality monitoring device |
CN106908273A (en) * | 2017-04-25 | 2017-06-30 | 环境保护部南京环境科学研究所 | A kind of shallow lake suspended particulate substance collection device and its application method |
CN108120814A (en) * | 2017-12-28 | 2018-06-05 | 河北省地质学会 | Portable, multiple parameter water quality testing meter |
CN108562707A (en) * | 2018-03-28 | 2018-09-21 | 浙江大学昆山创新中心 | A kind of water quality monitoring probe protecting structure of adaptive water level depth |
CN110596334A (en) * | 2019-09-10 | 2019-12-20 | 苏州金螳螂园林绿化景观有限公司 | Monitoring system for be used for river course water quality testing |
CN113860475A (en) * | 2021-09-17 | 2021-12-31 | 湖北迪晟环保科技有限公司 | Wastewater ammonia nitrogen removal reaction system convenient for adding sodium hypochlorite |
-
2015
- 2015-11-06 CN CN201520881084.4U patent/CN205210014U/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106018726A (en) * | 2016-07-06 | 2016-10-12 | 江苏中农物联网科技有限公司 | Aquaculture water quality monitoring device |
CN106526110A (en) * | 2016-09-28 | 2017-03-22 | 成都益睿信科技有限公司 | Water source region water quality monitoring device |
CN106908273A (en) * | 2017-04-25 | 2017-06-30 | 环境保护部南京环境科学研究所 | A kind of shallow lake suspended particulate substance collection device and its application method |
CN108120814A (en) * | 2017-12-28 | 2018-06-05 | 河北省地质学会 | Portable, multiple parameter water quality testing meter |
CN108120814B (en) * | 2017-12-28 | 2020-03-31 | 河北省地质学会 | Portable multi-parameter water quality detector |
CN108562707A (en) * | 2018-03-28 | 2018-09-21 | 浙江大学昆山创新中心 | A kind of water quality monitoring probe protecting structure of adaptive water level depth |
CN108562707B (en) * | 2018-03-28 | 2023-10-13 | 浙江大学昆山创新中心 | Water quality monitoring probe protection structure of self-adaptation water level degree of depth |
CN110596334A (en) * | 2019-09-10 | 2019-12-20 | 苏州金螳螂园林绿化景观有限公司 | Monitoring system for be used for river course water quality testing |
CN113860475A (en) * | 2021-09-17 | 2021-12-31 | 湖北迪晟环保科技有限公司 | Wastewater ammonia nitrogen removal reaction system convenient for adding sodium hypochlorite |
CN113860475B (en) * | 2021-09-17 | 2023-09-26 | 湖北迪晟环保科技有限公司 | Wastewater ammonia nitrogen removal reaction system convenient for adding sodium hypochlorite |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205210014U (en) | Float fixed dual -purpose type water quality monitoring device | |
CN201476812U (en) | Wireless remote environment monitoring system for offshore aquaculture net cage | |
CN203275394U (en) | Water quality detector | |
CN112858296A (en) | Coral reef whitening automatic identification on-line monitoring device | |
CN107361007A (en) | A kind of portable small-sized piscine organism behaviouristics monitoring arrangement | |
CN103675049A (en) | Water quality multi-parameter wireless remote intelligent monitoring system | |
CN207036818U (en) | A kind of freshwater aquiculture water quality monitoring system based on bionic machine fish | |
CN201804001U (en) | Aquiculture water quality monitoring device | |
CN207181393U (en) | A kind of water monitoring device | |
CN203024801U (en) | Water quality monitoring device | |
CN104698952B (en) | A kind of section drifting buoy data acquisition controller | |
CN202443010U (en) | Handheld water quality testing instrument | |
CN211955437U (en) | Intelligent aquatic product networking monitoring system with electric power early warning function | |
CN208334358U (en) | A kind of water monitoring device | |
CN209745959U (en) | Miniature surface water monitoring devices | |
CN208672041U (en) | A kind of water project management intelligent device for measuring | |
CN209300002U (en) | A kind of cultivating pool dissolved oxygen control system of wireless sensor network | |
CN203942937U (en) | A kind of intelligent deep water mesh cage | |
CN103029810A (en) | Floating device for water quality and hydrological monitoring of small-and-medium-sized water area | |
CN203838104U (en) | Improved structure of dissolved oxygen detection device | |
CN108152463B (en) | Multi-depth sampling water quality detection device | |
CN103630419B (en) | The equipment and acquisition method of aquatile sample can be gathered safely | |
CN211401279U (en) | Buoy type water quality monitoring equipment | |
DE102021129084A1 (en) | Large-scale ecotoxicological early warning system with a freely movable bio-indicator and a compact electronic measuring and transmitting device | |
CN107991977A (en) | A kind of aquaculture intelligent monitor system and its monitoring method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170525 Address after: 201207 Shanghai City, Pudong New Area Chinese (Shanghai) free trade zone fanchun Road No. 400 Building 1 layer 3 Patentee after: Shanghai Guthrie Information Technology Co. Ltd. Address before: Chang Hui No. 799 building, Nanxiang Town, Shanghai city Jiading District Silver Cheung Road 201802 10 floor Patentee before: Li Zhiyong |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20191106 |
|
CF01 | Termination of patent right due to non-payment of annual fee |