CN206837310U - Small-size experimental device for testing extinguishing efficiency of dry powder extinguishing agent - Google Patents
Small-size experimental device for testing extinguishing efficiency of dry powder extinguishing agent Download PDFInfo
- Publication number
- CN206837310U CN206837310U CN201720515587.9U CN201720515587U CN206837310U CN 206837310 U CN206837310 U CN 206837310U CN 201720515587 U CN201720515587 U CN 201720515587U CN 206837310 U CN206837310 U CN 206837310U
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- CN
- China
- Prior art keywords
- fire extinguishing
- extinguishing agent
- small
- data acquisition
- powder
- 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
- 239000000843 powder Substances 0.000 title claims abstract description 52
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 28
- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 238000004868 gas analysis Methods 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 25
- 239000003546 flue gas Substances 0.000 claims description 24
- 235000013305 food Nutrition 0.000 claims description 18
- 238000000605 extraction Methods 0.000 claims description 17
- 235000013312 flour Nutrition 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 15
- 238000011172 small scale experimental method Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000004458 analytical method Methods 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 abstract description 4
- 239000002341 toxic gas Substances 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000000446 fuel Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 229920004449 Halon® Polymers 0.000 description 1
- 229910002089 NOx Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses a small-size experimental device for testing fire extinguishing efficiency of dry powder fire extinguishing agent, which comprises a fire extinguishing chamber, a fire extinguishing agent injection device, a smoke gas analysis device and a temperature data acquisition device, wherein the upper end of the fire extinguishing chamber is connected with the fire extinguishing agent injection device, the side end of the fire extinguishing chamber is connected with the smoke gas analysis device, an oil pan is arranged in the fire extinguishing chamber, the temperature data acquisition device comprises a thermocouple tree and a data acquisition device, the thermocouple tree is arranged on the oil pan side in the fire extinguishing chamber, and the thermocouple tree is connected with a computer through the data acquisition device; the experimental device can represent the fire extinguishing efficiency of the dry powder fire extinguishing agent from four aspects of fire extinguishing time, minimum fire extinguishing agent dosage, temperature near a flame zone and concentration of toxic gas in smoke, and can research the influence of the fire extinguishing agent driving pressure, the discharge height, the spray nozzle size and other discharge conditions on the fire extinguishing effect.
Description
Technical field
The technical field of fire engineering in safety engineering is the utility model is related to, more particularly to a kind of dry powder of small size goes out
The experimental provision of fiery agent fire extinguishing effectiveness test.
Background technology
Powder extinguishing agent is a kind of drying and readily flowed micro-solid powder, and it has blow-off velocity fast, to people, animal
And the characteristics of environmentally friendly, electrical insulating property is good, these advantages are that other extinguishing chemicals are irreplaceable;With the limit of halon fire agent
System is used and finally substituted, and powder extinguishing agent will play increasing work in oil, chemical industry, transport, forestry fire prevention industry
With.
Fire extinguishing effectiveness is to weigh a kind of good and badly mostly important technical indicator of extinguishing chemical, can reflect the fire extinguishing effect of extinguishing chemical
Rate, while be also the Main Basiss of fire extinguishing system design.It is different from the basic performance of extinguishing chemical powder, and fire extinguishing effectiveness is one
Independent indispensable experimental project.In order to characterize the fire extinguishing effectiveness of extinguishing chemical, fire fighting test must possess external interference because
Element less, the requirement such as repetitive rate height, authenticity height.
The experimental provision of existing powder extinguishing agent fire extinguishing effectiveness test is larger, dangerous property, and function compared with
To be single, lack the monitoring for concentration of toxic gases in fire extinguishing procedure, it is therefore necessary to establish a set of new small size and do
Powder extinguishing chemical fire extinguishing effectiveness experimental apparatus for testing.
The content of the invention
For above-mentioned problem, the utility model aims to provide a kind of small chi of powder extinguishing agent fire extinguishing effectiveness test
Very little experimental provision, the experimental provision can be poisonous from temperature near attack time, minimum foamite amount, flame zone and flue gas
The fire extinguishing effectiveness of powder extinguishing agent is characterized in terms of the concentration of gas this four, extinguishing chemical driving pressure can also be studied in addition, applied
Put influence of the release such as height, jet size condition to extinguishing effect.
To achieve these goals, technical scheme is as follows used by the utility model:
The small-scale experiment device of powder extinguishing agent fire extinguishing effectiveness test, the experimental provision include fire extinguishing room, extinguishing chemical
Injection apparatus, flue gas analysis device and temperature data acquisition device, the fire extinguishing room upper end connect the extinguishing chemical injection dress
Put, side connects the flue gas analysis device, the indoor setting food tray of fire extinguishing, and the temperature data acquisition device includes thermoelectricity
Even tree and data acquisition device, the thermocouple tree are located at the indoor food tray side of the fire extinguishing, and the thermocouple tree passes through institute
Data acquisition device is stated to be connected with computer.
Preferably, the extinguishant jetting device includes storage powder tank and driving gas cylinder, the storage powder tank is located at electronics
On scale, connected between the driving gas cylinder and the storage powder tank by air inlet pipe, the storage powder tank and the fire extinguishing room upper end it
Between connected by flour extraction pipe, be also associated with the shower nozzle of diffused in the flour extraction end of the flour extraction pipe.
Preferably, the flour extraction pipe in the air inlet pipe with being also equipped with valve.
Preferably, the thermocouple tree is fixed on iron stand, and include the thermocouple of 5 armourings, 5 heat
Galvanic couple is respectively positioned on the central vertical axis of food tray, and vertical arranged in parallel successively up and down.
Preferably, the flue gas analysis device includes manual operator and analysis case, circle is provided with the fire extinguishing room side
It is open, modularization flue gas probe is provided with the circular open.
Preferably, the fire extinguishing room wherein one side side wall is provided with, a fan is outer to pull.
The beneficial effects of the utility model are:Compared with prior art, the utility model has the advantages that, this experimental provision can
With by measuring attack time and minimum foamite amount, and by monitor in real time above flame zone the temperature of each position and
Toxic gas in flue gas(CO and NOx)Concentration characterize the fire extinguishing effectiveness of certain powder extinguishing agent;In addition change can also be passed through
Extinguishing chemical driving pressure, discharge height and change jet size and discharge influence of the condition to extinguishing effect to study extinguishing chemical.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Wherein:1- drives gas cylinder, 2- pressure-reducing valves, 3- valves, 4- electronic scales, 5- storage powder tanks, 6- shower nozzles, 7- fire extinguishings room, 8-
Thermocouple tree, 9- food trays, 10- flue gas analysis devices, 11- computers, 12- circular opens, 13- modularization flue gas probes, 14- enter
Tracheae, 15- flour extraction pipes, 16- burning things which may cause a fire disaster, 17- is shatter-proof pressure-reducing valve.
Embodiment
In order that one of ordinary skill in the art is better understood on the technical solution of the utility model, with reference to attached
Figure and embodiment are further described to the technical solution of the utility model.
The small-scale experiment device of a kind of powder extinguishing agent fire extinguishing effectiveness test shown in 1 referring to the drawings, the experiment dress
Put including fire extinguishing room 7, extinguishant jetting device, flue gas analysis device 10 and temperature data acquisition device, the fire extinguishing room 7 its
Middle one side side wall is provided with the outer sliding door of a fan, and the fire extinguishing upper end of room 7 connects the extinguishant jetting device, and side connects the cigarette
Qi leel analysis apparatus 10, the fire extinguishing room 7 is interior to set food tray 9, and the temperature data acquisition device includes thermocouple tree 8 and data
Harvester, the thermocouple tree 8 are located at the side of food tray 9 in the fire extinguishing room 7, and the thermocouple tree 8 is adopted by the data
Acquisition means are connected with computer 11, and the thermocouple tree 8 is fixed on iron stand, and includes the thermocouple of 5 armourings, 5
The thermocouple is respectively positioned on the central vertical axis of food tray 9, and vertical arranged in parallel successively up and down, thermocouple from the bottom up according to
Secondary numbering is No. 1 to No. 5, is fixed on iron stand, and all thermocouples are respectively positioned on the central vertical axis of food tray 9, No. 1 thermoelectricity
It is even above food tray 9 and to be close to 9, No. 2 to No. 5 thermocouples of food tray and arrange upwards successively, and between adjacent two thermocouples
Distance be 10cm, for measuring the Temperature Distribution of different zones above flame.The temperature data that 5 thermocouples collect passes through
Data acquisition module is exported in computer 11.
Fire extinguishing room 7 is a transparent square restricted clearance, and length is 100cm, and the face of space six is by organic
Glass is made, so as to the observation of experimental phenomena in testing.The wherein one side side wall of fire extinguishing room 7, can be at any time as the outer sliding door of a fan
Open so that the quick of flue gas is scattered;The fire extinguishing top center of room 7, respectively open up at side wall 30cm, 60cm, 90cm one it is a diameter of
10cm circular open 12, the riding position as shower nozzle in extinguishant jetting device 6;The wherein one side side wall in fire extinguishing room 7
Center equally opens up a diameter of 10cm circular open 12, as modularization flue gas probe 13 in flue gas analysis device 10
Insertion position, burning things which may cause a fire disaster 16 are the liquid fuel being placed in food tray 9, and the bottom surface of food tray 9 is square, length of side 200mm, and depth is
40mm, wall thickness 3mm.
In the utility model, the extinguishant jetting device includes storage powder tank 5 and driving gas cylinder 1, the storage powder tank 5
It is located on electronic scale 4, is connected between the driving gas cylinder 1 and the storage powder tank 5 by air inlet pipe 14, the storage powder tank 5 and institute
State fire extinguishing the upper end of room 7 between connected by flour extraction pipe 15, be also associated with the shower nozzle of diffused in the flour extraction end of the flour extraction pipe 15
6, the flour extraction pipe 15 in the air inlet pipe 14 with being also equipped with valve 3.
After the nut stored up on powder tank 5 is outwarded winding, storage powder tank 5, which is divided into two parts, top half up and down, includes air inlet pipe
14th, flour extraction pipe 15, shatter-proof pressure-reducing valve 17 and 8 symmetrical bolts and nuts, the length that air inlet pipe 14 is stretched into storage powder tank 5 are
5cm, the length that flour extraction pipe 15 is stretched into storage powder tank 5 is 17cm, and outside storage powder tank 5, it is each in air inlet pipe 14 and flour extraction pipe 15
A valve 3 is mounted with, to control the start-stop of the pressure of driving gas and extinguishing chemical release.Pressure-reducing valve 2 is used for detecting storage powder tank 5
In atmospheric pressure, while show and driving gas pressure.The latter half is then the tank of storage powder tank 5 of a cylindrical shape
Body, basal diameter 15cm, it is highly 20cm, the volume in tank body is 3.5L, and drive device is by driving gas cylinder 1 and pressure-reducing valve 2
Composition, it is nitrogen to drive in gas cylinder 1 the driving gas that fills, and shower nozzle 6 is dismountable diffused shower nozzle 6, defeated powder flexible pipe it is interior
Footpath is 2cm.
In the utility model, flue gas analysis device 10 is a Portable smoke analysis instrument, the flue gas analysis device
10 include manual operator and analysis case, manual operator:Show reading and control analysis case;Analyze case(Measuring instrument):In case is analyzed
Carbon monoxide transducer, nitric oxide sensor, nitrogen dioxide sensor are assembled, determines carbon monoxide and nitrogen oxidation in flue gas
The concentration of thing;Circular open 12 is provided with the fire extinguishing side of room 7, modularization flue gas probe is provided with the circular open 12
13。
Operation principle and step:
1. each several part experimental provision is built according to schematic diagram, and arrange pipeline.
2. opening storage powder tank 5 using spanner, weighing the powder extinguishing agent that quality is m1 using electronic scale 4 loads storage powder tank 5
In, driving gas cylinder 1 is opened after filling, is filled with the nitrogen of certain pressure intensity, and ensures that storage powder 5 air-tightness of tank are good.
3. pouring into liquid fuel thereto again after adding clear water in the bottom of food tray 9, it is set just to cover the whole ground of food tray 9
Face.
4. lighting the fire of food tray 9, the fire extinguishing gate of room 7 is closed, while opens temperature measuring equipment and flue gas analysis device 10, is opened
Begin to measure.
5. after fuel pre-burning certain time and flameholding, the valve 3 for opening the flour extraction pipe 15 of storage powder tank 5 discharges dry powder
Extinguishing chemical.When flame extinguishes completely, close valve 3 and stop applying powder extinguishing agent, and attack time is recorded with stopwatch.
6. opening the fire extinguishing gate of room 7 after fray-out of flame, fire extinguishing room 7 is set to be in the state of gravity-flow ventilation.Observe flue gas point
Analysis apparatus 10, when the concentration of measured gas is zero, that is, the flue gas evacuation in room 7 of putting out a fire finishes, closing temperature measurement apparatus
With flue gas analysis device 10, record data.
7. pulling down and opening storage powder tank 5, it is m2, m1 to weigh remaining powder extinguishing agent quality in tank body using electronic scale 4
Difference with m2 is minimum foamite amount.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (6)
1. the small-scale experiment device of powder extinguishing agent fire extinguishing effectiveness test, it is characterised in that:The experimental provision includes fire extinguishing
Room, extinguishant jetting device, flue gas analysis device and temperature data acquisition device, the fire extinguishing room upper end connect the fire extinguishing
Agent injection apparatus, side connect the flue gas analysis device, the indoor setting food tray of fire extinguishing, the temperature data acquisition device
Including thermocouple tree and data acquisition device, the thermocouple tree is located at the indoor food tray side of the fire extinguishing, the thermocouple
Tree is connected by the data acquisition device with computer.
2. the small-scale experiment device of powder extinguishing agent fire extinguishing effectiveness test according to claim 1, it is characterised in that:Institute
State extinguishant jetting device include storage powder tank and driving gas cylinder, it is described storage powder tank be located on electronic scale, it is described driving gas cylinder with
Connected by air inlet pipe between the storage powder tank, connected between the storage powder tank and the fire extinguishing room upper end by flour extraction pipe,
The flour extraction end of the flour extraction pipe is also associated with the shower nozzle of diffused.
3. the small-scale experiment device of powder extinguishing agent fire extinguishing effectiveness test according to claim 2, it is characterised in that:Institute
Flour extraction pipe is stated with being also equipped with valve in the air inlet pipe.
4. the small-scale experiment device of powder extinguishing agent fire extinguishing effectiveness test according to claim 1, it is characterised in that:Institute
State thermocouple tree to be fixed on iron stand, and include the thermocouple of 5 armourings, 5 thermocouples are respectively positioned in food tray
On heart vertical axis, and vertical arranged in parallel successively up and down.
5. the small-scale experiment device of powder extinguishing agent fire extinguishing effectiveness test according to claim 1, it is characterised in that:Institute
Stating flue gas analysis device includes manual operator and analysis case, circular open is provided with the fire extinguishing room side, at the circular open
Provided with modularization flue gas probe.
6. the small-scale experiment device of the powder extinguishing agent fire extinguishing effectiveness test according to claim any one of 1-5, it is special
Sign is:The fire extinguishing room wherein one side side wall is provided with the outer sliding door of a fan.
Priority Applications (1)
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CN201720515587.9U CN206837310U (en) | 2017-05-10 | 2017-05-10 | Small-size experimental device for testing extinguishing efficiency of dry powder extinguishing agent |
Applications Claiming Priority (1)
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CN201720515587.9U CN206837310U (en) | 2017-05-10 | 2017-05-10 | Small-size experimental device for testing extinguishing efficiency of dry powder extinguishing agent |
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CN201720515587.9U Expired - Fee Related CN206837310U (en) | 2017-05-10 | 2017-05-10 | Small-size experimental device for testing extinguishing efficiency of dry powder extinguishing agent |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108333305A (en) * | 2018-01-24 | 2018-07-27 | 合肥工业大学 | A kind of experimental provision of the simulation quick decontamination of enclosure fire smoke |
CN109682854A (en) * | 2018-12-29 | 2019-04-26 | 燕山大学 | A kind of combustion experiment platform |
CN109708896A (en) * | 2018-12-12 | 2019-05-03 | 西安航天动力试验技术研究所 | Attitude control dynamical system quantitative filling device and charging method |
CN110211475A (en) * | 2019-06-28 | 2019-09-06 | 上海海事大学 | One kind being based on a variety of inert gas mixing extinguishing test devices |
WO2020228394A1 (en) * | 2019-05-13 | 2020-11-19 | 应急管理部上海消防研究所 | Experiment platform for conveying of dry powder fire suppression agent |
CN112619017A (en) * | 2020-12-17 | 2021-04-09 | 中国中元国际工程有限公司 | Automatic water spray fire extinguishing efficiency test system |
CN112782346A (en) * | 2019-11-06 | 2021-05-11 | 中国石油化工股份有限公司 | Foam fire extinguishing dynamic testing device and method |
CN113687012A (en) * | 2020-05-19 | 2021-11-23 | 陈春来 | Dry powder identification method and device |
CN113702356A (en) * | 2021-10-28 | 2021-11-26 | 中国民航大学 | Dry powder extinguishing agent performance testing system and method based on gas Raman spectrum |
-
2017
- 2017-05-10 CN CN201720515587.9U patent/CN206837310U/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108333305A (en) * | 2018-01-24 | 2018-07-27 | 合肥工业大学 | A kind of experimental provision of the simulation quick decontamination of enclosure fire smoke |
CN109708896A (en) * | 2018-12-12 | 2019-05-03 | 西安航天动力试验技术研究所 | Attitude control dynamical system quantitative filling device and charging method |
CN109682854A (en) * | 2018-12-29 | 2019-04-26 | 燕山大学 | A kind of combustion experiment platform |
CN109682854B (en) * | 2018-12-29 | 2020-10-09 | 燕山大学 | Combustion experiment table |
WO2020228394A1 (en) * | 2019-05-13 | 2020-11-19 | 应急管理部上海消防研究所 | Experiment platform for conveying of dry powder fire suppression agent |
CN110211475A (en) * | 2019-06-28 | 2019-09-06 | 上海海事大学 | One kind being based on a variety of inert gas mixing extinguishing test devices |
CN112782346A (en) * | 2019-11-06 | 2021-05-11 | 中国石油化工股份有限公司 | Foam fire extinguishing dynamic testing device and method |
CN113687012A (en) * | 2020-05-19 | 2021-11-23 | 陈春来 | Dry powder identification method and device |
CN112619017A (en) * | 2020-12-17 | 2021-04-09 | 中国中元国际工程有限公司 | Automatic water spray fire extinguishing efficiency test system |
CN113702356A (en) * | 2021-10-28 | 2021-11-26 | 中国民航大学 | Dry powder extinguishing agent performance testing system and method based on gas Raman spectrum |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180105 |