CN109959752A - A kind of detection device and detection method of hollow glass dedicated butyl glue flame retardant property - Google Patents
A kind of detection device and detection method of hollow glass dedicated butyl glue flame retardant property Download PDFInfo
- Publication number
- CN109959752A CN109959752A CN201910197759.6A CN201910197759A CN109959752A CN 109959752 A CN109959752 A CN 109959752A CN 201910197759 A CN201910197759 A CN 201910197759A CN 109959752 A CN109959752 A CN 109959752A
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- detection
- side wall
- fixed
- butyl
- spring
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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 90
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 title claims abstract description 56
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000003063 flame retardant Substances 0.000 title claims abstract description 23
- 239000011521 glass Substances 0.000 title claims abstract description 22
- 239000003292 glue Substances 0.000 title claims abstract description 20
- 239000000853 adhesive Substances 0.000 claims abstract description 36
- 230000001070 adhesive effect Effects 0.000 claims abstract description 36
- 239000011505 plaster Substances 0.000 claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 14
- 229920005549 butyl rubber Polymers 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The invention discloses the detection devices and detection method of a kind of hollow glass dedicated butyl glue flame retardant property, including frame, the bottom end side wall of frame is fixed with multiple detection cases being vertically arranged along its length, detection case is internally provided with testing agency, testing agency includes the detection plate being fixed between detection box inner wall, the top of detection plate offers first through hole along the vertical direction, the side side wall of first through hole offers the first groove, movable block is slidably connected between the two sides side wall of first groove, the side wall of movable block is equipped with first spring fixed with the first recess sidewall, movable block is fixed with vertically disposed connecting plate far from the side side wall of the first spring.The present invention can carry out detection fire resistance to a variety of or multiple butyl adhesive plasters, be able to carry out correlation data, improve the intuitive of detection, can grip to different size of butyl adhesive plaster or other materials, improve practicability.
Description
Technical field
The present invention relates to butyl rubber technical field more particularly to a kind of detections of hollow glass dedicated butyl glue flame retardant property
Equipment and detection method.
Background technique
Butyl rubber is one kind of synthetic rubber, is synthesized by isobutene and a small amount of isoprene.Generally it is used in production
Inside automobile tire and auto sound articles.In buildings waterproof field, butyl rubber is popularized comprehensively with the name of environmental protection
Instead of pitch.
When butyl rubber carries out flame retardant property test, generally by the kindling and flammable (i.e. quilt of detection butyl adhesive plaster
The complexity ignited)；Fire resistance (i.e. burning velocity) etc., but traditional detection device is at high cost, while can only once examine
A kind of butyl adhesive plaster is surveyed, it is no preferable comparative, precision is reduced, for this purpose, we have proposed a kind of hollow glass is dedicated
The detection device and detection method of butyl rubber flame retardant property.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the dedicated fourth of a kind of hollow glass proposed
The detection device and detection method of base rubber flame retardant property.
To achieve the goals above, present invention employs following technical solutions:
A kind of detection device of hollow glass dedicated butyl glue flame retardant property, including frame, the bottom end side wall of the frame is along it
Length direction is fixed with multiple detection cases being vertically arranged, and detection case is internally provided with testing agency, and testing agency includes solid
The detection plate being scheduled between detection box inner wall, the top of detection plate offer first through hole along the vertical direction, first through hole
Side side wall offers the first groove, and movable block, the side wall peace of movable block are slidably connected between the two sides side wall of the first groove
Equipped with first spring fixed with the first recess sidewall, the movable block is fixed with far from the side side wall of the first spring and vertically sets
The connecting plate set, connecting plate are fixed with vertically disposed pressing plate far from one end of movable block, and it is recessed that the connecting plate extends to first
Side side wall outside slot be fixed with it is vertically disposed push away column, the side wall of the first through hole offers symmetrically arranged guiding
Slot, guide groove internal slide are set with guide rod, and one end of guide rod is equipped with the second spring connecting with guiding groove sidewall, institute
It states the one end of guide rod far from second spring to fix with pressing plate side wall, and is vertically arranged between guide rod and pressing plate, the detection
The inner sidewall of case is embedded with the first infrared sensor and the second infrared sensor, and the first infrared sensor is located at second
Below infrared sensor.
Preferably, the lateral wall of the frame is fixed with control cabinet, and control cabinet is embedded with display far from the lateral wall of frame
Screen, the control cabinet are internally provided with single-chip microcontroller and counter.
Preferably, the input terminal of the single-chip microcontroller is connected with the first infrared sensor, the second infrared sensor, described
The output end of single-chip microcontroller is connected with counter and display screen.
Preferably, the lateral wall of the detection case offers fire hole, and the inside of fire hole is fixed with ignitron, ignitron
Threaded one end far from detection case is connected with capping.
Preferably, the top side wall of the frame offers the second through-hole, the inside setting of the second through-hole along the vertical direction
There is cover board, the bottom end side wall of cover board is fixed with multiple sealing plates, and the lateral wall of sealing plate and cover board is fixed with gasket, described
The top side wall of cover board is fixed with handle.
Preferably, the two sides side wall of second through-hole offers placing groove, and the both ends of the cover board are fixed with placement block,
The two sides of the frame are connected with bolt, and the side wall for placing block offers slot, and setting is clamped between bolt and slot.
A kind of detection method of the detection device of hollow glass dedicated butyl glue flame retardant property, comprising the following steps:
S1: by taking out bolt, then opening capping, and burning torch is then passed through ignitron and is entered inside detection case；
S2: and then butyl rubber cloth to be detected is put into inside detection case, column is pushed away, column is pushed away and drives connecting plate mobile, connection
Strip dynamic pressure plate is mobile, squeezes the first spring and second spring, and butyl adhesive plaster is made to pass through first through hole, then unclamps and pushes away column,
Under first spring and the effect of the elastic force of second spring, butyl adhesive plaster is fixed in pressing plate, and the bottom of butyl adhesive plaster is made to be located at point
Below firelock；
S3: and then pull handle, handle drive cover board mobile, cover board drives closed plate to enter inside detection case, on the outside of closed plate
Wall is provided with gasket and is in contact with detection chamber interior wall, then plugs bolt, starting ignition rifle carries out at igniting butyl adhesive plaster
Reason；
S4: carrying out timing to the burning time of butyl adhesive plaster by timer, after butyl rubber cloth is lighted, butyl adhesive plaster burn to
After certain position, the first infrared sensor can not detect that butyl adhesive plaster, single-chip microcontroller control counter work, until the
When two infrared sensors can not also detect butyl adhesive plaster, single-chip microcontroller control counter is stopped, and data are shown
Display screen.
Compared with prior art, the beneficial effects of the present invention are:
Frame, detection case, first infrared sensor, second infrared sensor, control cabinet, display of the present invention by setting
A variety of or multiple butyl adhesive plasters can be carried out detection fire resistance, be able to carry out comparison number by the cooperation between screen, ignitron
According to improving the intuitive of detection；
The present invention by the detection plate of setting, first through hole, pressing plate, connecting plate, push away cooperation between column, can be to different size
Butyl adhesive plaster or other materials gripped, improve practicability.
Detailed description of the invention
Fig. 1 is a kind of structure main view of the detection device of hollow glass dedicated butyl glue flame retardant property proposed by the present invention
Figure.
Fig. 2 is a kind of detection plate structure of the detection device of hollow glass dedicated butyl glue flame retardant property proposed by the present invention
Top view.
Fig. 3 is that a kind of frame structure of the detection device of hollow glass dedicated butyl glue flame retardant property proposed by the present invention is bowed
View.
Fig. 4 is a kind of detection case side wall of the detection device of hollow glass dedicated butyl glue flame retardant property proposed by the present invention
Structural schematic diagram.
Fig. 5 is a kind of SCM system of the detection device of hollow glass dedicated butyl glue flame retardant property proposed by the present invention
Connection schematic diagram.
In figure: 1 frame, 2 detection cases, 3 detection plates, 4 first through hole, 5 first grooves, 6 movable blocks, 7 first springs, 8 connect
Fishplate bar, 9 pressing plates, 10 push away column, 11 guide rods, 12 second springs, 13 first infrared sensors, 14 second infrared sensors,
Block, 23 bolts, 24 casees are placed in 15 ignitrons, 16 cappings, 17 control cabinets, 18 display screens, 19 cover boards, 20 closed plates, 21 handles, 22
Door, 25 locks, 26 collecting boxs.
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.
Referring to Fig.1-5, a kind of detection device of hollow glass dedicated butyl glue flame retardant property, including frame 1, frame 1
Bottom end side wall is fixed with multiple detection cases 2 being vertically arranged along its length, and detection case 2 is internally provided with testing agency,
Testing agency includes the detection plate 3 being fixed between 2 inner sidewall of detection case, and the top of detection plate 3 offers along the vertical direction
One through-hole 4, the side side wall of first through hole 4 offer the first groove 5, slidably connect between the two sides side wall of the first groove 5
Movable block 6, the side wall of movable block 6 are equipped with first spring 7 fixed with 5 side wall of the first groove, and movable block 6 is far from the first spring
7 side side wall is fixed with vertically disposed connecting plate 8, and connecting plate 8 is fixed with vertically disposed pressure far from one end of movable block 6
Plate 9, the side side wall that connecting plate 8 extends to outside the first groove 5, which is fixed with, vertically disposed pushes away column 10, the side of first through hole 4
Wall offers symmetrically arranged guide groove, and guide groove internal slide is set with guide rod 11, one end of guide rod 11 be equipped with
It is oriented to the second spring 12 of groove sidewall connection, the one end of guide rod 11 far from second spring 12 is fixed with 9 side wall of pressing plate, and is oriented to
It is vertically arranged between bar 11 and pressing plate 9, the inner sidewall of detection case 2 is embedded with the first infrared sensor 13 and the second infrared ray passes
Sensor 14, and the first infrared sensor 13 is located at 14 lower section of the second infrared sensor.
The lateral wall of frame 1 is fixed with control cabinet 17, and control cabinet 17 is embedded with display screen 18 far from the lateral wall of frame 1,
Control cabinet 17 is internally provided with single-chip microcontroller and counter, the input terminal of single-chip microcontroller be connected with the first infrared sensor 13,
Second infrared sensor 14, the output end of single-chip microcontroller are connected with counter and display screen 18, and the lateral wall of detection case 2 opens up
There is fire hole, the inside of fire hole is fixed with ignitron 15, and ignitron 15 is connected with capping far from the threaded one end of detection case 2
16, the top side wall of frame 1 offers the second through-hole along the vertical direction, and the second through-hole is internally provided with cover board 19, cover board 19
Bottom end side wall be fixed with multiple sealing plates 20, and the lateral wall of sealing plate 20 and cover board 19 is fixed with gasket, cover board 19
Top side wall is fixed with handle 21, and the two sides side wall of the second through-hole offers placing groove, and the both ends of cover board 19 are fixed with placement block
22, the two sides of frame 1 are connected with bolt 23, and the side wall for placing block 22 offers slot, and clamping is set between bolt 23 and slot
It sets.
A kind of detection method of the detection device of hollow glass dedicated butyl glue flame retardant property, comprising the following steps:
S1: by taking out bolt 23, then opening capping 19, and burning torch is then passed through ignitron 15 and is entered inside detection case 2；
S2: and then butyl rubber cloth to be detected is put into inside detection case 2, column 10 is pushed away, column 10 is pushed away and connecting plate 8 is driven to move
Dynamic, connecting plate 8 is mobile with dynamic pressure plate 9, squeezes the first spring 7 and second spring 12, so that butyl adhesive plaster is passed through first through hole 4, so
It unclamps afterwards and pushes away column 10, under the first spring 7 and the effect of the elastic force of second spring 12, butyl adhesive plaster is fixed in pressing plate 9, makes fourth
The bottom of base rubber cloth is located at below burning torch；
S3: and then pull handle 21, handle 21 drive cover board 19 mobile, cover board 19 drives closed plate 20 to enter inside detection case 2,
20 lateral wall of closed plate is provided with gasket and is in contact with 2 inner wall of detection case, then plugs bolt 23, starting ignition rifle, to fourth
Base rubber cloth carries out ignition process；
S4: carrying out timing to the burning time of butyl adhesive plaster by timer, after butyl rubber cloth is lighted, butyl adhesive plaster burn to
After certain position, the first infrared sensor 13 can not detect that butyl adhesive plaster, single-chip microcontroller control counter work, until
When second infrared sensor 14 can not also detect butyl adhesive plaster, single-chip microcontroller control counter is stopped, and data are shown
Show in display screen 18.
The bottom end inner wall of detection case 2 is placed with collecting box 26, and the lateral wall of detection case 2 offers channel, the side wall in channel
It is rotatably connected to chamber door 24, the lateral wall of chamber door 24 is connected with gasket, and is connected between 2 lateral wall of chamber door 24 and detection case
Lock 25.
Working principle: by taking out bolt 23, then opening capping 19, and burning torch is then passed through ignitron 15 and enters inspection
Inside measuring tank 2, then butyl rubber cloth to be detected is put into inside detection case 2, pushes away column 10, pushed away column 10 and drive connecting plate 8
Mobile, connecting plate 8 is mobile with dynamic pressure plate 9, squeezes the first spring 7 and second spring 12, and butyl adhesive plaster is made to pass through first through hole 4,
Then it unclamps and pushes away column 10, under the first spring 7 and the effect of the elastic force of second spring 12, butyl adhesive plaster is fixed in pressing plate 9, makes
The bottom of butyl adhesive plaster is located at below burning torch, then pull handle 21, and handle 21 drives cover board 19 mobile, and cover board 19 drives envelope
Closing plate 20 enters inside detection case 2, and 20 lateral wall of closed plate is provided with gasket and is in contact with 2 inner wall of detection case, then plugs
Bolt 23, starting ignition rifle carry out ignition process to butyl adhesive plaster, are counted by burning time of the timer to butyl adhesive plaster
When, after butyl rubber cloth is lighted, butyl adhesive plaster burns to certain position, and the first infrared sensor 13 can not detect butyl
Adhesive plaster, single-chip microcontroller control counter work, until when the second infrared sensor 14 can not also detect butyl adhesive plaster, it is single
Piece machine control counter is stopped, and data are shown in display screen 18.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of detection device of hollow glass dedicated butyl glue flame retardant property, including frame, which is characterized in that the frame
Bottom end side wall is fixed with multiple detection cases being vertically arranged along its length, and detection case is internally provided with testing agency, inspection
Surveying mechanism includes the detection plate being fixed between detection box inner wall, and it is logical that the top of detection plate offers first along the vertical direction
Hole, the side side wall of first through hole offer the first groove, slidably connect movable block between the two sides side wall of the first groove, move
The side wall of motion block is equipped with first spring fixed with the first recess sidewall, side side wall of the movable block far from the first spring
It is fixed with vertically disposed connecting plate, connecting plate is fixed with vertically disposed pressing plate, the connecting plate far from one end of movable block
The side side wall extended to outside the first groove be fixed with it is vertically disposed push away column, the side wall of the first through hole offers symmetrically
The guide groove of setting, guide groove internal slide are set with guide rod, and one end of guide rod is equipped with and is oriented to what groove sidewall was connect
Second spring, the one end of the guide rod far from second spring are fixed with pressing plate side wall, and vertical between guide rod and pressing plate are set
It sets, the inner sidewall of the detection case is embedded with the first infrared sensor and the second infrared sensor, and the first infrared ray passes
Sensor is located at below the second infrared sensor.
2. a kind of detection device of hollow glass dedicated butyl glue flame retardant property according to claim, which is characterized in that
The lateral wall of the frame is fixed with control cabinet, and control cabinet is embedded with display screen far from the lateral wall of frame, the control cabinet
It is internally provided with single-chip microcontroller and counter.
3. a kind of detection device of hollow glass dedicated butyl glue flame retardant property according to claim, which is characterized in that
The input terminal of the single-chip microcontroller is connected with the first infrared sensor, the second infrared sensor, the output end of the single-chip microcontroller
It is connected with counter and display screen.
4. a kind of detection device of hollow glass dedicated butyl glue flame retardant property according to claim, which is characterized in that
The lateral wall of the detection case offers fire hole, and the inside of fire hole is fixed with ignitron, ignitron far from detection case one
End is threaded with capping.
5. a kind of detection device of hollow glass dedicated butyl glue flame retardant property according to claim, which is characterized in that
The top side wall of the frame offers the second through-hole along the vertical direction, and the second through-hole is internally provided with cover board, the bottom of cover board
End side wall is fixed with multiple sealing plates, and the lateral wall of sealing plate and cover board is fixed with gasket, the top side wall of the cover board
It is fixed with handle.
6. a kind of detection device of hollow glass dedicated butyl glue flame retardant property according to claim, which is characterized in that
The two sides side wall of second through-hole offers placing groove, and the both ends of the cover board are fixed with placement block, the two sides of the frame
It is connected with bolt, the side wall for placing block offers slot, and setting is clamped between bolt and slot.
7. a kind of detection method of the detection device of hollow glass dedicated butyl glue flame retardant property, which is characterized in that including following
Step:
S1: by taking out bolt, then opening capping, and burning torch is then passed through ignitron and is entered inside detection case；
S2: and then butyl rubber cloth to be detected is put into inside detection case, column is pushed away, column is pushed away and drives connecting plate mobile, connection
Strip dynamic pressure plate is mobile, squeezes the first spring and second spring, and butyl adhesive plaster is made to pass through first through hole, then unclamps and pushes away column,
Under first spring and the effect of the elastic force of second spring, butyl adhesive plaster is fixed in pressing plate, and the bottom of butyl adhesive plaster is made to be located at point
Below firelock；
S3: and then pull handle, handle drive cover board mobile, cover board drives closed plate to enter inside detection case, on the outside of closed plate
Wall is provided with gasket and is in contact with detection chamber interior wall, then plugs bolt, starting ignition rifle carries out at igniting butyl adhesive plaster
Reason；
S4: carrying out timing to the burning time of butyl adhesive plaster by timer, after butyl rubber cloth is lighted, butyl adhesive plaster burn to
After certain position, the first infrared sensor can not detect that butyl adhesive plaster, single-chip microcontroller control counter work, until the
When two infrared sensors can not also detect butyl adhesive plaster, single-chip microcontroller control counter is stopped, and data are shown
Display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910197759.6A CN109959752A (en) | 2019-03-15 | 2019-03-15 | A kind of detection device and detection method of hollow glass dedicated butyl glue flame retardant property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910197759.6A CN109959752A (en) | 2019-03-15 | 2019-03-15 | A kind of detection device and detection method of hollow glass dedicated butyl glue flame retardant property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109959752A true CN109959752A (en) | 2019-07-02 |
Family
ID=67024336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910197759.6A Pending CN109959752A (en) | 2019-03-15 | 2019-03-15 | A kind of detection device and detection method of hollow glass dedicated butyl glue flame retardant property |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109959752A (en) |
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| CN108346598A (en) * | 2018-01-03 | 2018-07-31 | 佛山杰致信息科技有限公司 | One kind being used for the cured heating device of Electronic Packaging |
| CN208466332U (en) * | 2018-06-08 | 2019-02-05 | 池州职业技术学院 | A kind of automatic ceramic glue stations based on machine vision |
| CN210051734U (en) * | 2019-03-15 | 2020-02-11 | 河南诚信密封新材料科技有限公司 | Special butyl rubber flame retardant property's of cavity glass check out test set |
-
2019
- 2019-03-15 CN CN201910197759.6A patent/CN109959752A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608257A (en) * | 2012-03-02 | 2012-07-25 | 武汉理工大学 | Digital oxygen index tester |
| CN206725522U (en) * | 2017-05-22 | 2017-12-08 | 合肥华顺阻燃新材料科技有限公司 | A kind of fire proofing flame retardant rating test device |
| CN107514651A (en) * | 2017-08-30 | 2017-12-26 | 江苏密斯欧智能科技有限公司 | A kind of automatic ignition control system |
| CN207281028U (en) * | 2017-10-16 | 2018-04-27 | 无锡机电高等职业技术学校 | A kind of textile cloth anti-flammability test furnace |
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| CN108346598A (en) * | 2018-01-03 | 2018-07-31 | 佛山杰致信息科技有限公司 | One kind being used for the cured heating device of Electronic Packaging |
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Application publication date: 20190702 |