CN106404326A - Catalytic muffler testing tool - Google Patents

Catalytic muffler testing tool Download PDF

Info

Publication number
CN106404326A
CN106404326A CN201610786366.5A CN201610786366A CN106404326A CN 106404326 A CN106404326 A CN 106404326A CN 201610786366 A CN201610786366 A CN 201610786366A CN 106404326 A CN106404326 A CN 106404326A
Authority
CN
China
Prior art keywords
catalytic muffler
frock
tested
chassis
top board
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.)
Granted
Application number
CN201610786366.5A
Other languages
Chinese (zh)
Other versions
CN106404326B (en
Inventor
李海龙
高光明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Jingyida Auto Parts Co Ltd
Original Assignee
Zhengzhou Jingyida Auto Parts Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhengzhou Jingyida Auto Parts Co Ltd filed Critical Zhengzhou Jingyida Auto Parts Co Ltd
Priority to CN201610786366.5A priority Critical patent/CN106404326B/en
Publication of CN106404326A publication Critical patent/CN106404326A/en
Application granted granted Critical
Publication of CN106404326B publication Critical patent/CN106404326B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/02Vibration-testing by means of a shake table
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/02Vibration-testing by means of a shake table
    • G01M7/027Specimen mounting arrangements, e.g. table head adapters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Engines (AREA)

Abstract

The invention relates to a catalytic muffler testing tool. A top face of a vibration platform is connected with a tool base plate via a connecting pin, a top face of the tool base plate is provided with an inner fixed boss, a catalytic muffler to be tested is arranged on a top face of the tool base plate, the inner fixed boss is plugged in the catalytic muffler to be tested, the tool base plate is provided with a via hole, a bottom end of the tool base plate is provided with an air inlet tube which is communicated with an inner cavity of the catalytic muffler to be tested via the via hole, the air inlet tube is communicated with a hot air blower, a top end of the catalytic muffler to be tested is provided with an upper pressing plate which is connected with the tool base plate via a long screw rod, and the middle part of the upper pressing plate is provided with an air outlet hole. The catalytic muffler testing tool can be used for testing catalytic mufflers of a plurality kinds of specifications, the tool does not need to be redesigned, the tool is enabled to have multiple functions, a testing cycle can be shortened, the quantity and the kinds of tools that need to be manufactured can be reduced, catalytic muffler testing efficiency can be improved, and testing cost can be lowered.

Description

Catalytic muffler experimental test frock
Technical field:
The present invention relates to the structural behaviour technical field of measurement and test of silencer for automobile equipment is and in particular to a kind of catalytic muffler tries Frock is tried out in test.
Background technology:
With the quickening of China's economic development and infrastructure construction speed, China's auto output from 2002 325.12 ten thousand, Be promoted to 2011 1841.89 ten thousand, increase nearly 6 times.In the end of the year 2002, China's motor vehicles for civilian use recoverable amount has just broken through 20,000,000 ?;At the end of 2011, motor vehicles for civilian use recoverable amount reaches 1.06 hundred million.The output of automobile and the increase of recoverable amount, lead to tail gas band The pollution coming is increasingly severe.With the pay attention to day by day to energy-saving and emission-reduction for the country, realizing energy-conservation, low-carbon (LC), environmental protection has become China The core objective of " 12 ", this shifts the emission problem of automobile industry on the teeth of the storm of energy-saving and emission-reduction onto.
National environmental protection mechanism requires increasingly stringent to motor vehicle emission at present, has implemented integrally state four Abgasgesetz.Catalysis Silencer as important spare part in the after-treatment system of motor vehicle exhaust emission, therefore, it is necessary to structural to catalytic muffler Can require and method of testing makes higher requirement.But, at present, thermal vibration or thermal cycle are being carried out to catalytic muffler During test, the catalytic muffler of each specification needs corresponding specially special test fixture, and this results in frock kind Class specification is various, and each frock is from being designed into trial-production, then is required for certain cycle to practical application, needs to put into certain Human and material resources, financial resources, affect test progress, increase experimentation cost, testing efficiency is relatively low.And, prior art exists When catalytic muffler is carried out with thermal vibration test, typically by direct for catalytic muffler right angle setting on a vibration table, in test High temperature can affect the service life of shake table.
Content of the invention:
In sum, in order to overcome the shortcomings of prior art problem, the invention provides a kind of catalytic muffler experimental test is used Frock, the catalytic muffler of compatible all regular sizes and its exemplar, can reach the purpose of one-object-many-purposes, thus reaching shortening In the experimental test cycle, reduce quantity and the species of frock making, improve the testing efficiency of catalytic muffler, reduce and test low one-tenth This.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of catalytic muffler experimental test frock, wherein:Including shake table, frock chassis, interior fixing lug boss and top board, The top surface of described shake table is connected with frock chassis by connecting post, and the top surface on frock chassis is provided with interior fixing lug boss, treats The catalytic muffler of test is arranged on the top surface on frock chassis, and interior fixing lug boss is inserted in catalytic muffler to be tested, It is provided with open-work, the bottom on frock chassis is provided with air inlet pipe, air inlet pipe is treated by open-work connection in the middle part of described frock chassis The catalytic muffler inner chamber of test, air inlet pipe connects air-heater, and the top of described catalytic muffler to be tested is provided with Pressing plate, is connected by long bolt between top board and frock chassis, and the middle part of described top board is provided with venthole.
Technical scheme it may also is that realize:The top surface of described shake table is fixed with multiple nuts, Multiple nuts be in different-diameter circular arrangement, frock chassis by being connected with the stay bolt that nut cooperates, outside stay bolt It is set with hollow connecting post, connecting post lower end is contacted with vibration countertop, connecting post upper end supporting tool undersurface of bottom disc.
Technical scheme it may also is that realize:It is provided with multiple different-diameters on described frock chassis Lower annular groove, a kind of catalytic muffler to be tested of the corresponding specification of each lower annular groove, catalysis to be tested is eliminated the noise In the lower annular groove of lower end insertion of device.
Technical scheme it may also is that realize:It is provided with multiple connection screw threads on described frock chassis Hole, multiple connection screw thread holes are in the circular arrangement of different-diameter, and interior fixing lug boss is bolted the company on frock chassis Connect on screwed hole.
Technical scheme it may also is that realize:The bottom surface of described top board is provided with multiple different straight The upper annular groove in footpath, the catalytic muffler to be tested of the corresponding a kind of specification of annular groove on each, catalysis to be tested disappears In the upper annular groove of upper end insertion of sound device.
Technical scheme it may also is that realize:It is provided with adpting flange in described air inlet pipe.
Technical scheme it may also is that realize:Described interior fixing lug boss is to be bolted to frock bottom Annular boss on disk, its external diameter is corresponding with the internal diameter of catalytic muffler to be tested.
Technical scheme it may also is that realize:It is provided with described frock chassis and press-fit screwed hole, It is provided with described top board and press-fits open-work, what long bolt lower end was threaded in frock chassis press-fits on screwed hole, long spiral shell Bar upper end passes through and press-fits open-work on top board, and is locked by locking nut and top board.
Beneficial effects of the present invention are:
1st, the present invention can carry out experimental test to the catalytic muffler commonly using multiple regular sizes, need not redesign frock, The purpose of one-object-many-purposes can be reached, thus reaching the shortening experimental test cycle, reducing quantity and the species of frock making, improving The testing efficiency of catalytic muffler, reduction test low cost.
2nd, the shake table of the present invention and catalytic muffler be not directly contacted with, arranges empty between shake table and catalytic muffler Heart connecting post, thus avoid enter into the impact to shake table of the hot blast of catalytic muffler it is ensured that the service life of shake table.
3rd, the top surface on frock chassis of the present invention and the bottom surface of top board be respectively arranged with multiple different-diameters annular recessed Groove, catalytic muffler lower end to be tested is inserted in the annular groove of top surface on frock chassis, on catalytic muffler to be tested In the annular groove of end insertion top board bottom surface, play the effect of positioning catalytic muffler to be tested, in test process, Catalytic muffler to be tested and frock chassis rigid contact is made in the presence of top board, the annular groove of multiple different-diameters, Frock chassis is facilitated to be connected with the catalytic muffler of different size.
4th, the top surface of the shake table of the present invention is fixed with multiple nuts, and multiple nuts are in the circular arrangement of different-diameter, no Same diameter circular array, facilitates shake table to be connected with the frock chassis of different size, and it is in not that frock chassis is provided with multiple companies With the connection screw thread hole of the circular arrangement of diameter, thus facilitating frock chassis to connect the interior fixing lug boss of different size, different straight The annular groove of the nut of footpath circular arrangement, the connection screw thread hole of different-diameter circular arrangement and different-diameter it is achieved that this Bright a set of frock is suitable for the experimental test of the catalytic muffler of multiple different sizes.
5th, present configuration is simple, esy to use, safe and reliable, make simple, the requirement of suitable mass production, can Effectively improve catalytic muffler production efficiency, the actually used offer reliable thermal vibration loop-around data for catalytic muffler props up Hold.
Brief description:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the shake table top schematic diagram of the present invention;
Fig. 3 is the structural representation on the frock chassis of the present invention.
Specific embodiment:
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of catalytic muffler experimental test frock, including shake table 1, frock chassis 2, Interior fixing lug boss 3 and top board 4, the top surface of described shake table 1 is connected with frock chassis 2 by connecting post 5, shake table 1 Top surface is fixed with multiple nuts 11, and multiple nuts 11 are in the circular arrangement of different-diameter, and frock chassis 2 is by mutual with nut 11 The stay bolt 12 of cooperation connects, and is set with hollow connecting post 5, connecting post 5 lower end is connect with shake table 1 top surface outside stay bolt 12 Touch, connecting post 5 upper end supporting tool chassis 2 bottom surface.The top surface on frock chassis 2 is provided with interior fixing lug boss 3, on frock chassis 2 It is provided with multiple connection screw thread holes 14, multiple connection screw thread holes 14 are in the circular arrangement of different-diameter, interior fixing lug boss 3 passes through spiral shell Tether in the connection screw thread hole 14 being connected on frock chassis 2.Interior fixing lug boss 3 is the annular being bolted on frock chassis 2 Boss, its external diameter is corresponding with the internal diameter of catalytic muffler 6 to be tested, and catalytic muffler 6 to be tested is arranged on frock bottom The top surface of disk 2, and interior fixing lug boss 3 is inserted in catalytic muffler 6 to be tested, and frock chassis 2 is provided with multiple differences The lower annular groove 13 of diameter, each lower annular groove 13 corresponds to a kind of catalytic muffler 6 to be tested of specification, to be tested In the lower annular groove 13 of lower end insertion of catalytic muffler 6.
It is provided with open-work 7, the bottom on frock chassis 2 is provided with air inlet pipe 8, in air inlet pipe 8 in the middle part of described frock chassis 2 It is provided with adpting flange 16, air inlet pipe 8 connects catalytic muffler 6 inner chamber to be tested by open-work 7, air inlet pipe 8 connects hot blast Machine, the top of described catalytic muffler 6 to be tested is provided with top board 4, passes through length between top board 4 and frock chassis 2 Screw rod 9 connects, and the middle part of described top board 4 is provided with venthole 10.The bottom surface of top board 4 is provided with multiple different-diameters Upper annular groove 15, the catalytic muffler 6 to be tested of the corresponding a kind of specification of annular groove 15 on each, catalysis to be tested disappears In the upper annular groove 15 of upper end insertion of sound device 6.It is provided with frock chassis 2 and press-fits screwed hole 17, described top board 4 sets It is equipped with and press-fits open-work 19, what long bolt 9 lower end was threaded in frock chassis 2 press-fits on screwed hole 17, and long bolt 9 upper end passes through Press-fit open-work 19 on top board 4, and locked with top board 4 by locking nut 18.
During use, connecting post 5 is passed through on frock chassis 2 and stay bolt 12 is connected on the nut 11 of shake table 1 top surface, will Interior fixing lug boss 3 is connected with the connection screw thread hole 14 on frock chassis 2 by bolt, will be vertical for catalytic muffler 6 to be tested Setting, catalytic muffler 6 lower end to be tested is inserted in the lower annular groove 13 on frock chassis 2, now interior fixation is convex Platform 3 supports catalytic muffler 6 lower end inner wall to be tested, then top board 4 is fitted on catalytic muffler 6 to be tested End, catalytic muffler 6 upper end to be tested is inserted in the upper annular groove 15 of top board 4 bottom surface, finally tightens locking nut 18, Top board 4 and frock chassis 2 are locked by long bolt 9, reaches the purpose of clamping catalytic muffler 6 to be tested.
Then, the air inlet pipe 8 of frock chassis 2 lower end is connected air-heater, air-heater passes through air inlet pipe 8 and frock chassis 2 On open-work 7 be passed through hot-air into catalytic muffler 6 to be tested, Vibration on Start-up platform 1, to catalytic muffler 6 to be tested Carry out thermal vibration and thermal cycle test.Enter the hot-air in catalytic muffler 6 to be tested finally to arrange from top board 4 middle part Venthole 10 discharge.
It is noted that above-described embodiment is illustrative and not limiting to technical solution of the present invention, art is general The equivalent of logical technical staff or the other modifications made according to prior art, as long as do not exceed technical solution of the present invention Thinking and scope, should be included within interest field of the presently claimed invention.

Claims (8)

1. a kind of catalytic muffler experimental test frock it is characterised in that:Including shake table(1), frock chassis(2), interior solid Determine boss(3)And top board(4), described shake table(1)Top surface pass through connecting post(5)It is connected with frock chassis(2), frock Chassis(2)Top surface be provided with interior fixing lug boss(3), catalytic muffler to be tested(6)It is arranged on frock chassis(2)Top Face, and interior fixing lug boss(3)It is inserted into catalytic muffler to be tested(6)Interior, described frock chassis(2)Middle part is provided with Hole(7), frock chassis(2)Bottom be provided with air inlet pipe(8), air inlet pipe(8)By open-work(7)Connect catalysis to be tested to disappear Sound device(6)Inner chamber, air inlet pipe(8)Connection air-heater, described catalytic muffler to be tested(6)Top be provided with top board (4), top board(4)With frock chassis(2)Between pass through long bolt(9)Connect, described top board(4)Middle part be provided with out Pore(10).
2. catalytic muffler experimental test frock according to claim 1 it is characterised in that:Described shake table(1) Top surface be fixed with multiple nuts(11), multiple nuts(11)Circular arrangement in different-diameter, frock chassis(2)By with spiral shell Female(11)The stay bolt cooperating(12)Connect, stay bolt(12)It is set with outward hollow connecting post(5), connecting post(5)Under End and shake table(1)Top surface contacts, connecting post(5)Upper end supporting tool chassis(2)Bottom surface.
3. catalytic muffler experimental test frock according to claim 1 it is characterised in that:Described frock chassis (2)On be provided with the lower annular groove of multiple different-diameters(13), each lower annular groove(13)Correspond to a kind of the to be measured of specification The catalytic muffler of examination(6), catalytic muffler to be tested(6)The lower annular groove of lower end insertion(13)Interior.
4. catalytic muffler experimental test frock according to claim 1 it is characterised in that:Described frock chassis (2)On be provided with multiple connection screw thread holes(14), multiple connection screw thread holes(14)Circular arrangement in different-diameter, interior fixation is convex Platform(3)It is bolted on frock chassis(2)On connection screw thread hole(14)On.
5. catalytic muffler experimental test frock according to claim 1 it is characterised in that:Described top board(4) Bottom surface be provided with the upper annular groove of multiple different-diameters(15), annular groove on each(15)Correspond to a kind of the to be measured of specification The catalytic muffler of examination(6), catalytic muffler to be tested(6)The upper annular groove of upper end insertion(15)Interior.
6. catalytic muffler experimental test frock according to claim 1 it is characterised in that:Described air inlet pipe(8) On be provided with adpting flange(16).
7. catalytic muffler experimental test frock according to claim 1 it is characterised in that:Described interior fixing lug boss (3)For being bolted to frock chassis(2)On annular boss, its external diameter and catalytic muffler to be tested(6)Internal diameter phase Corresponding.
8. catalytic muffler experimental test frock according to claim 1 it is characterised in that:Described frock chassis (2)On be provided with and press-fit screwed hole(17), described top board(4)On be provided with and press-fit open-work(19), long bolt(9)Lower end spiral shell Line is connected to frock chassis(2)Press-fit screwed hole(17)On, long bolt(9)Upper end passes through top board(4)On press-fit open-work (19), and pass through locking nut(18)With top board(4)Locking.
CN201610786366.5A 2016-08-31 2016-08-31 Catalytic muffler experimental test tooling Expired - Fee Related CN106404326B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610786366.5A CN106404326B (en) 2016-08-31 2016-08-31 Catalytic muffler experimental test tooling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610786366.5A CN106404326B (en) 2016-08-31 2016-08-31 Catalytic muffler experimental test tooling

Publications (2)

Publication Number Publication Date
CN106404326A true CN106404326A (en) 2017-02-15
CN106404326B CN106404326B (en) 2018-12-21

Family

ID=58000372

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610786366.5A Expired - Fee Related CN106404326B (en) 2016-08-31 2016-08-31 Catalytic muffler experimental test tooling

Country Status (1)

Country Link
CN (1) CN106404326B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106989948A (en) * 2017-05-29 2017-07-28 山西建工建筑工程检测有限公司 Soil ramming tests drawing out soil equipment in architectural engineering
CN109765041A (en) * 2019-01-07 2019-05-17 珠海市广源信科技有限公司 A kind of muffler measuring system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08145837A (en) * 1994-11-16 1996-06-07 Sapporo Breweries Ltd Sample-holding device of vibration tester and vibration test method
JPH11166885A (en) * 1997-12-03 1999-06-22 Nippon Steel Corp High-temperature corrosion fatigue testing method and device therefor
CN202485883U (en) * 2011-11-30 2012-10-10 上海航天精密机械研究所 Cabin segment type test piece axial general vibration clamp
DE202014003439U1 (en) * 2013-04-25 2014-07-04 Wolfgang Eitel Device for positioning a measurement object

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08145837A (en) * 1994-11-16 1996-06-07 Sapporo Breweries Ltd Sample-holding device of vibration tester and vibration test method
JPH11166885A (en) * 1997-12-03 1999-06-22 Nippon Steel Corp High-temperature corrosion fatigue testing method and device therefor
CN202485883U (en) * 2011-11-30 2012-10-10 上海航天精密机械研究所 Cabin segment type test piece axial general vibration clamp
DE202014003439U1 (en) * 2013-04-25 2014-07-04 Wolfgang Eitel Device for positioning a measurement object

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王小燕等: "汽车消声器振动耐久性试验方法研究", 《研究与开发》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106989948A (en) * 2017-05-29 2017-07-28 山西建工建筑工程检测有限公司 Soil ramming tests drawing out soil equipment in architectural engineering
CN109765041A (en) * 2019-01-07 2019-05-17 珠海市广源信科技有限公司 A kind of muffler measuring system
CN109765041B (en) * 2019-01-07 2021-03-30 珠海市广源信科技有限公司 Silencer measurement system

Also Published As

Publication number Publication date
CN106404326B (en) 2018-12-21

Similar Documents

Publication Publication Date Title
CN106404326A (en) Catalytic muffler testing tool
CN107883902A (en) A kind of turbine rotor assembles jitter detection apparatus
CN201476641U (en) Afterheat recovery device of hot wind
CN211737254U (en) Quick cooling device of blast pipe and test device
CN209961457U (en) Universal sealing device for fuel tank filler of automobile
CN209311096U (en) A kind of range extender of electric vehicle transfer panel
CN208537122U (en) A kind of cylindrical air exhaust catalytic converter thermal vibration fixture
CN202743012U (en) Heater for automobile
CN207379880U (en) The measurement device of desulphurization denitration coal quality granular activated carbon desulfurization value
CN207865912U (en) A kind of catalyst drying device with detection function
CN203161330U (en) Novel car pressure sensor fixing structure
CN203408603U (en) Gas-liquid distribution device for graphite falling film absorption tower
CN217578320U (en) Vehicle-mounted hydrogen production all-in-one machine
CN205843897U (en) A kind of cooler aquaporin leakage rate detection end cap
CN204386711U (en) A kind of diesel engine after treatment device
CN202590463U (en) Cylinder type filter
CN213899085U (en) Automobile engine tail gas monitoring device
CN205279687U (en) Medical efficient drying system
CN204454607U (en) A kind of polycrystalline silicon reducing furnace graphite components
CN209977715U (en) Distributed natural gas node pressure detector
CN203549209U (en) Flange connection structure assembly
CN204007377U (en) A kind of expansion pin formula dial gauge dial framework
CN209654106U (en) Ship denitration evaporator with filter screen
CN203335190U (en) Device for purifying automobile tail gas
CN207636822U (en) A kind of optical branching-device chip test fixture

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20181102

Address after: 450016 Henan Zhengzhou economic and Technological Development Zone twenty-fifth Avenue South five road 366 office building 205

Applicant after: ZHENGZHOU JINGYIDA ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd.

Address before: 450016 69 Avenue Eighth National Economic and Technological Development Zone, Zhengzhou, Henan

Applicant before: ZHENGZHOU JINGYIDA AUTO PARTS Co.,Ltd.

GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220825

Address after: 450000 No. 69, 8th Street, economic and Technological Development Zone, Zhengzhou City, Henan Province

Patentee after: ZHENGZHOU JINGYIDA AUTO PARTS Co.,Ltd.

Address before: 450016 Henan Zhengzhou economic and Technological Development Zone twenty-fifth Avenue South five road 366 office building 205

Patentee before: ZHENGZHOU JINGYIDA ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd.

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: 20181221