CN108844699A - A kind of hydrogen energy automobile pipeline self-checking unit - Google Patents
A kind of hydrogen energy automobile pipeline self-checking unit Download PDFInfo
- Publication number
- CN108844699A CN108844699A CN201811007663.0A CN201811007663A CN108844699A CN 108844699 A CN108844699 A CN 108844699A CN 201811007663 A CN201811007663 A CN 201811007663A CN 108844699 A CN108844699 A CN 108844699A
- Authority
- CN
- China
- Prior art keywords
- test device
- pressure test
- outlet pipe
- interface
- fixedly connected
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/01—Arrangement of fuel conduits
- B60K15/013—Arrangement of fuel conduits of gas conduits
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of hydrogen energy automobile pipeline self-checking units,Including hydrogen storage battery,The hydrogen storage battery right end is fixedly connected with intake interface and outlet interface,The intake interface end seamless connection has admission line,The seamless connection of outlet interface end has outlet pipe,Fixation is connected with gas leak detection device on the outside of the intake interface and outlet interface end,Outlet pipe left end activity is connected with the first pressure test device,The first groove is provided on the right side of first pressure test device inner cavity,The outlet pipe activity is connected in the first groove,The second groove is provided in the middle part of first pressure test device inner cavity,Activity is connected with detection spring in second groove,The detection spring right end is fixedly connected with pressure contact,The outlet pipe end is seamlessly connected useful pneumatic module,The self-checking unit structure is simple,High sensitivity,It is easy to use,It is appropriate for popularity.
Description
Technical field
The present invention relates to technical field of new energy, specially a kind of hydrogen energy automobile pipeline self-checking unit.
Background technique
An important developing direction of the hydrogen energy automobile as new-energy automobile, it is equal at home and abroad to have arrived huge concern
With relevant research and development, wherein the security protection work of hydrogen storage battery is the key content of research, but about such as in existing device
The content what carries out pipeline self-test the problems in is still insufficient for actual production and uses, while the consequence of hydrogen gas leakage is even more
Extremely serious, for this purpose, we have proposed a kind of hydrogen energy automobile pipeline self-checking units, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of hydrogen energy automobile pipeline self-checking units, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the present invention provides the following technical solutions：A kind of hydrogen energy automobile pipeline self-checking unit, including storage
Hydrogen battery, the hydrogen storage battery right end are fixedly connected with intake interface and outlet interface, the intake interface end seamless connection
There is admission line, the seamless connection of outlet interface end has outlet pipe, the intake interface and outlet interface end outside
Fixed to be connected with gas leak detection device, outlet pipe left end activity is connected with the first pressure test device, and described first
It is provided with the first groove on the right side of pressure test device inner cavity, the outlet pipe activity is connected in the first groove, first gas
Pressure is provided with the second groove in the middle part of detection device inner cavity, and activity is connected with detection spring, the detection spring in second groove
Right end is fixedly connected with pressure contact, and straight-bar is fixedly connected in the middle part of pressure contact left end, and the straight-bar left end is fixed to be connected
It is connected to resistance contact head, first pressure test device inner cavity left end is fixedly connected with resistor disc and data processing circuit plate, institute
It states resistance contact head upper end to fit closely with resistor disc lower end, the first pressure test device right end is fixedly connected with liquid crystal display
Screen, outlet pipe end activity are connected with the second pressure test device, the structure of second pressure test device and the
One pressure test device is identical, and the outlet pipe end is seamlessly connected useful pneumatic module.
Preferably, there are two the intake interface, outlet interface, outlet pipe and admission line are all provided with and in hydrogen storage battery
Right end is symmetrical.
Preferably, the outlet pipe and admission line are vulcanized rubber pipeline.
Preferably, first pressure test device and the second pressure test device inner cavity are equipped with button cell.
Preferably, the resistor disc and data processing circuit plate are electrically in parallel with liquid crystal display.
Compared with prior art, the beneficial effects of the invention are as follows：The hydrogen energy automobile pipeline self-checking unit, by the way that air inlet is arranged
The structure of interface, admission line, outlet interface, outlet pipe and gas leak detection device, having reached can not yet reach in hydrogen
The effect leaked is just detected whether before combustion chamber, the danger that gas leaks can be minimized, it also can be as far as possible
Early discovery is potentially dangerous；By the way that pressure contact, detection spring, the structure of resistor disc and data processing circuit plate is arranged, reach
Having arrived can be by the digitized effect of pipeline air pressure, so as to which the number of the gas flowed out in pipeline be inferred to；Pass through setting
The structure of first pressure test device and the second pressure test device has reached the effect that can compare the loine pressure at pipeline both ends
Leakage phenomenon has occurred during gas transport away from explanation if excessive if numerical difference in fruit.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of the first pressure test device of the invention.
In figure：1 hydrogen storage battery, 11 intake interfaces, 12 outlet interfaces, 13 outlet pipes, 14 gas leak detection devices, 15 air inlets
Pipeline, 2 first pressure test devices, 21 first grooves, 22 second grooves, 23 straight-bars, 24 resistance contact heads, 25 pressure contacts, 26
Pneumatic module is used in detection spring, 27 resistor discs, 28 data processing circuit plates, 29 liquid crystal displays, 3 second pressure test devices, 4.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2,：A kind of hydrogen energy automobile pipeline self-checking unit, including hydrogen storage
Battery 1,1 right end of hydrogen storage battery are fixedly connected with intake interface 11 and outlet interface 12,11 end of intake interface without
Seam is connected with admission line 15, and 12 end of the outlet interface seamless connection has outlet pipe 13, the intake interface 11, outlet
Interface 12, outlet pipe 13 and admission line 15 be all provided with there are two and, the outlet pipe symmetrical in 1 right end of hydrogen storage battery
13 and admission line 15 be vulcanized rubber pipeline, fixation is connected on the outside of the intake interface 11 and 12 end of outlet interface
Gas leak detection device 14, the 13 left end activity of outlet pipe are connected with the first pressure test device 2, the first air pressure detection
It is provided with the first groove 21 on the right side of 2 inner cavity of device, 13 activity of outlet pipe is connected in the first groove 21, first air pressure
It is provided with the second groove 22 in the middle part of 2 inner cavity of detection device, activity is connected with detection spring 26, the detection in second groove 22
26 right end of spring is fixedly connected with pressure contact 25, and straight-bar 23 is fixedly connected in the middle part of 25 left end of pressure contact, described straight
23 left end of bar is fixedly connected with resistance contact head 24, and the 2 inner cavity left end of the first pressure test device is fixedly connected with resistor disc 27
With data processing circuit plate 28,24 upper end of resistance contact head is fitted closely with 27 lower end of resistor disc, the first air pressure detection
2 right end of device is fixedly connected with liquid crystal display 29, and the resistor disc 27 and data processing circuit plate 28 are and liquid crystal display
29 is electrically in parallel, and first pressure test device 2 and 3 inner cavity of the second pressure test device are equipped with button cell, it is described go out
13 end activity of feed channel is connected with the second pressure test device 3, the structure and the first air pressure of second pressure test device 3
Detection device 2 is identical, and 13 end of outlet pipe is seamlessly connected useful pneumatic module 4.
Working principle：
Firstly, hydrogen is stored into hydrogen storage battery 1 by admission line 15；
Then, when it is desired to be used, it is connected in gas engine by outlet interface 12, outlet pipe 13；
It is connect at this point, the gas leak detection device being clamped on the outside of intake interface 11 and outlet interface 12 can detect interface with pipeline
The air seal situation at place, the first pressure test device 2 and the second pressure test device 3 can then detect and compare outlet pipe 13
The pipeline pressure at head and the tail both ends, to judge the appearance for whether having gas leak phenomenon during pipeline transportation.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of hydrogen energy automobile pipeline self-checking unit, including hydrogen storage battery (1), it is characterised in that：Hydrogen storage battery (1) right end
It is fixedly connected with intake interface (11) and outlet interface (12), intake interface (11) the end seamless connection has admission line
(15), outlet interface (12) the end seamless connection has outlet pipe (13), the intake interface (11) and outlet interface
(12) fixation is connected with gas leak detection device (14) on the outside of end, and outlet pipe (13) the left end activity is connected with the first gas
It presses detection device (2), is provided with the first groove (21), the outlet pipe on the right side of the first pressure test device (2) inner cavity
(13) activity is connected in the first groove (21), is provided with the second groove (22) in the middle part of the first pressure test device (2) inner cavity,
Activity is connected with detection spring (26) in second groove (22), and detection spring (26) right end is fixedly connected with pressure touching
Head (25), pressure contact (25) the left end middle part are fixedly connected with straight-bar (23), and straight-bar (23) left end is fixedly connected with
Resistance contact head (24), the first pressure test device (2) inner cavity left end are fixedly connected with resistor disc (27) and data processing electricity
Road plate (28), resistance contact head (24) upper end are fitted closely with resistor disc (27) lower end, first pressure test device (2)
Right end is fixedly connected with liquid crystal display (29), and outlet pipe (13) the end activity is connected with the second pressure test device
(3), the structure of second pressure test device (3) is identical with the first pressure test device (2), the outlet pipe
(13) end is seamlessly connected useful pneumatic module (4).
2. a kind of hydrogen energy automobile pipeline self-checking unit according to claim 1, it is characterised in that：The intake interface
(11), there are two outlet interface (12), outlet pipe (13) and admission line (15) are all provided with and symmetrical in hydrogen storage battery (1) right end
Distribution.
3. a kind of hydrogen energy automobile pipeline self-checking unit according to claim 1 or 2, it is characterised in that：The outlet pipe
(13) and admission line (15) is vulcanized rubber pipeline.
4. a kind of hydrogen energy automobile pipeline self-checking unit according to claim 1, it is characterised in that：The first air pressure detection
Device (2) and the second pressure test device (3) inner cavity are equipped with button cell.
5. a kind of hydrogen energy automobile pipeline self-checking unit according to claim 1, it is characterised in that：The resistor disc (27) and
Data processing circuit plate (28) is electrically in parallel with liquid crystal display (29).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018101839873 | 2018-03-07 | ||
| CN201810183987 | 2018-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108844699A true CN108844699A (en) | 2018-11-20 |
Family
ID=64189664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811007663.0A Pending CN108844699A (en) | 2018-03-07 | 2018-08-31 | A kind of hydrogen energy automobile pipeline self-checking unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108844699A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092627A (en) * | 2020-08-14 | 2020-12-18 | 东风柳州汽车有限公司 | Automobile-used hydrogen leakage detection system |
Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1273342A (en) * | 1999-05-10 | 2000-11-15 | 河北省河间市飞尔达自动化仪表有限公司 | Method and device for monitoring and locating leakage of fluid delivering pipeline |
| CN2426821Y (en) * | 2000-06-07 | 2001-04-18 | 金太来 | Fluid media pressure sensor for vehicle and ship |
| CN2593161Y (en) * | 2002-12-25 | 2003-12-17 | 上海华辰科技发展有限公司 | Float mass-flow sensor |
| JP2007026891A (en) * | 2005-07-15 | 2007-02-01 | Nissan Motor Co Ltd | Fuel cell system |
| JP2007134200A (en) * | 2005-11-11 | 2007-05-31 | Toyota Motor Corp | Fuel cell system and its gas leak detection method |
| CN101015086A (en) * | 2004-09-16 | 2007-08-08 | 丰田自动车株式会社 | Fuel cell system and gas leak determination method for fuel cell system |
| CN101065874A (en) * | 2004-11-29 | 2007-10-31 | 丰田自动车株式会社 | Gas leak detection device and fuel cell system |
| WO2009073845A1 (en) * | 2007-12-07 | 2009-06-11 | Linde North America, Inc. | Methods for monitoring hydrogen fueling systems |
| CN201273457Y (en) * | 2008-09-27 | 2009-07-15 | 中国石油天然气股份有限公司 | Pipeline leakage monitoring device |
| CN101556311A (en) * | 2008-04-09 | 2009-10-14 | 福特汽车公司 | Anode leak test implementation |
| CN101644615A (en) * | 2008-08-04 | 2010-02-10 | 绵阳市奇石缘科技有限公司 | Tube diameter variable clamping pressure sensor |
| CN101886969A (en) * | 2010-06-08 | 2010-11-17 | 天津泰邦管材有限公司 | Device for detecting leakproofness of plastic pipe joints |
| CN102369621A (en) * | 2009-03-31 | 2012-03-07 | 丰田自动车株式会社 | Fuel cell system, control method for the fuel cell system, and electric vehicle equipped with the fuel cell system |
| CN202471374U (en) * | 2011-12-31 | 2012-10-03 | 凯迈（洛阳）气源有限公司 | Multifunctional airtightness detection apparatus |
| CN104676258A (en) * | 2013-12-02 | 2015-06-03 | 西安北斗星数码信息股份有限公司 | High-pressure gas conveying pipeline capable of monitoring gas leakage |
| CN204387696U (en) * | 2014-12-03 | 2015-06-10 | 河南汉威电子股份有限公司 | Pipeline gas leak detecting device |
| CN204387700U (en) * | 2015-01-19 | 2015-06-10 | 傅晓锋 | A kind of Natural gas pipeline system with detection alarm mechanism |
| CN205280276U (en) * | 2016-01-19 | 2016-06-01 | 王凤珍 | Pressure detection device |
| CN105736953A (en) * | 2016-04-22 | 2016-07-06 | 中国计量大学 | Pressure sensing based liquid ammonia pipeline leak detection system with cladding layer and detection method |
| CN106051469A (en) * | 2016-07-22 | 2016-10-26 | 宁波星箭航天机械有限公司 | Pipeline leakage detection device and detection method |
| CN205843908U (en) * | 2016-07-15 | 2016-12-28 | 河源新奥燃气有限公司 | A kind of test device for air tightness of gas pressure regulator, governor |
| DE102015012220A1 (en) * | 2015-09-18 | 2017-03-23 | Daimler Ag | Method for detecting leaks |
| CN106840547A (en) * | 2017-03-30 | 2017-06-13 | 杭州电子科技大学 | A kind of batteries of electric automobile bag air-tightness detection device and detection method |
-
2018
- 2018-08-31 CN CN201811007663.0A patent/CN108844699A/en active Pending
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1273342A (en) * | 1999-05-10 | 2000-11-15 | 河北省河间市飞尔达自动化仪表有限公司 | Method and device for monitoring and locating leakage of fluid delivering pipeline |
| CN2426821Y (en) * | 2000-06-07 | 2001-04-18 | 金太来 | Fluid media pressure sensor for vehicle and ship |
| CN2593161Y (en) * | 2002-12-25 | 2003-12-17 | 上海华辰科技发展有限公司 | Float mass-flow sensor |
| CN101015086A (en) * | 2004-09-16 | 2007-08-08 | 丰田自动车株式会社 | Fuel cell system and gas leak determination method for fuel cell system |
| CN101065874A (en) * | 2004-11-29 | 2007-10-31 | 丰田自动车株式会社 | Gas leak detection device and fuel cell system |
| JP2007026891A (en) * | 2005-07-15 | 2007-02-01 | Nissan Motor Co Ltd | Fuel cell system |
| JP2007134200A (en) * | 2005-11-11 | 2007-05-31 | Toyota Motor Corp | Fuel cell system and its gas leak detection method |
| WO2009073845A1 (en) * | 2007-12-07 | 2009-06-11 | Linde North America, Inc. | Methods for monitoring hydrogen fueling systems |
| CN101556311A (en) * | 2008-04-09 | 2009-10-14 | 福特汽车公司 | Anode leak test implementation |
| CN101644615A (en) * | 2008-08-04 | 2010-02-10 | 绵阳市奇石缘科技有限公司 | Tube diameter variable clamping pressure sensor |
| CN201273457Y (en) * | 2008-09-27 | 2009-07-15 | 中国石油天然气股份有限公司 | Pipeline leakage monitoring device |
| CN102369621A (en) * | 2009-03-31 | 2012-03-07 | 丰田自动车株式会社 | Fuel cell system, control method for the fuel cell system, and electric vehicle equipped with the fuel cell system |
| CN101886969A (en) * | 2010-06-08 | 2010-11-17 | 天津泰邦管材有限公司 | Device for detecting leakproofness of plastic pipe joints |
| CN202471374U (en) * | 2011-12-31 | 2012-10-03 | 凯迈（洛阳）气源有限公司 | Multifunctional airtightness detection apparatus |
| CN104676258A (en) * | 2013-12-02 | 2015-06-03 | 西安北斗星数码信息股份有限公司 | High-pressure gas conveying pipeline capable of monitoring gas leakage |
| CN204387696U (en) * | 2014-12-03 | 2015-06-10 | 河南汉威电子股份有限公司 | Pipeline gas leak detecting device |
| CN204387700U (en) * | 2015-01-19 | 2015-06-10 | 傅晓锋 | A kind of Natural gas pipeline system with detection alarm mechanism |
| DE102015012220A1 (en) * | 2015-09-18 | 2017-03-23 | Daimler Ag | Method for detecting leaks |
| CN205280276U (en) * | 2016-01-19 | 2016-06-01 | 王凤珍 | Pressure detection device |
| CN105736953A (en) * | 2016-04-22 | 2016-07-06 | 中国计量大学 | Pressure sensing based liquid ammonia pipeline leak detection system with cladding layer and detection method |
| CN205843908U (en) * | 2016-07-15 | 2016-12-28 | 河源新奥燃气有限公司 | A kind of test device for air tightness of gas pressure regulator, governor |
| CN106051469A (en) * | 2016-07-22 | 2016-10-26 | 宁波星箭航天机械有限公司 | Pipeline leakage detection device and detection method |
| CN106840547A (en) * | 2017-03-30 | 2017-06-13 | 杭州电子科技大学 | A kind of batteries of electric automobile bag air-tightness detection device and detection method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092627A (en) * | 2020-08-14 | 2020-12-18 | 东风柳州汽车有限公司 | Automobile-used hydrogen leakage detection system |
| CN112092627B (en) * | 2020-08-14 | 2021-12-31 | 东风柳州汽车有限公司 | Automobile-used hydrogen leakage detection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100585357C (en) | Voltage-regulating transformer valve body detection device | |
| CN204387696U (en) | Pipeline gas leak detecting device | |
| CN206831183U (en) | A kind of gas leak detection apparatus | |
| CN204387697U (en) | Pipeline gas leak detecting device | |
| CN211626850U (en) | Ball valve detection equipment | |
| CN108844699A (en) | A kind of hydrogen energy automobile pipeline self-checking unit | |
| CN208076112U (en) | A kind of hydrogen energy automobile pipeline self-checking unit | |
| CN105758594A (en) | Combined type plastic film leak hunting device | |
| CN201281647Y (en) | Fuel battery proton exchange film and leak detection instrument for film electrode | |
| CN205826239U (en) | A kind of carbon slipper many gas circuits air seal test platform | |
| CN204405275U (en) | Immersed tube sealing test system | |
| CN216816622U (en) | Device for detecting pipeline repairing quality | |
| CN204203005U (en) | A kind of integral type gas cylinder air pressure and test device for air tightness | |
| CN203422188U (en) | Gas pressure detection assembly | |
| CN202471373U (en) | Testing device for detecting performance of waterproof rolls | |
| CN205719432U (en) | Steel pipe air tightness detection machine | |
| CN112012823B (en) | New energy automobile cooling water pump | |
| CN209400162U (en) | A kind of electrothermal tube air-tightness detection device | |
| CN207556765U (en) | Fuel cell car hydrogen leaks fast leakage detection apparatus | |
| CN208381571U (en) | A kind of gas joint pipe with leak detection function | |
| CN207751658U (en) | A kind of seal for pipe joints detection device | |
| CN207816535U (en) | A kind of air-tightness detection device | |
| CN202393565U (en) | Pilot valve gas tightness testing device | |
| CN107289438A (en) | A kind of steam heater and air separation equipment | |
| CN111024332A (en) | Quick leak hunting device for fuel cell stack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181120 |
|
| RJ01 | Rejection of invention patent application after publication |