CN108335777A - Irradiation processing device - Google Patents
Irradiation processing device Download PDFInfo
- Publication number
- CN108335777A CN108335777A CN201810217674.5A CN201810217674A CN108335777A CN 108335777 A CN108335777 A CN 108335777A CN 201810217674 A CN201810217674 A CN 201810217674A CN 108335777 A CN108335777 A CN 108335777A
- Authority
- CN
- China
- Prior art keywords
- processing device
- magnet
- irradiation processing
- magnet component
- deflection
- 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
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K5/00—Irradiation devices
- G21K5/04—Irradiation devices with beam-forming means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
- H05H7/04—Magnet systems, e.g. undulators, wigglers; Energisation thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
- H05H7/06—Two-beam arrangements; Multi-beam arrangements storage rings; Electron rings
Abstract
The present invention relates to radiation processing technology fields, more particularly to a kind of irradiation processing device, including：Accelerator makes charged particle accelerate and projects charged particle beam；It is equipped with switching magnet component, sweeping magnet component and deflection magnet component successively in the transmission path of charged particle beam；Switching magnet component is used to charged particle beam being divided into two beam electrons beams；Sweeping magnet component is for being respectively scanned two beam electrons beams；Deflection magnet component for respectively to two beam electrons beams after being scanned through into horizontal deflection so that two beam electrons beams with orthogonal angular illumination on being illuminated object.The irradiation processing device, by the way that the charged particle beam projected by accelerator is divided into two beams, using the effect of sweeping magnet component and deflection magnet component, enable two beam electrons beams at different angles eradiation on being illuminated object, to make at the position to be illuminated the circumference irradiation dose that object is subject to uniform, and be effectively improved irradiation processing efficiency.
Description
Technical field
The present invention relates to radiation processing technology fields, more particularly to a kind of irradiation processing device.
Background technology
In recent years, becoming more and more common method using electron radiation processing various products.Its basic principle is,
Accelerate electronics using magnetic field force control electronics, using electric field force in high vacuum field, to make electronics reach very high energy.It will
High-energy electron irradiation is to being illuminated on article, to change the property of article, to realize such as modified, drug to polyolefine material
Sterilization, to the fresh-keeping of food and sterilizing purpose and industrial circle surface treatment and field of environment protection sewage at
Reason etc..
But traditional electric wire irradiation processing device, irradiation is single to the irradiation angle being illuminated on object, is irradiating
It needs to carry out turn-over, inefficiency to being illuminated object in the process.Especially to the irradiation of big section electric wire (OD=20-40mm)
It is even more technical barrier to process circumferential uniformity.
Invention content
Based on this, it is necessary to the low, circle for the cylindrical continuous irradiation of product processing unit (plant) irradiation efficiency in traditional big section
All non-uniform problems of irradiation dose provide a kind of increase irradiation angle, improve the irradiation processing device of irradiation efficiency.
Above-mentioned purpose is achieved through the following technical solutions：
A kind of irradiation processing device, including：
Accelerator makes charged particle accelerate and projects charged particle beam；
It is equipped with switching magnet component, sweeping magnet component and deflection magnet group successively in the transmission path of charged particle beam
Part；
Switching magnet component is used to charged particle beam being divided into two beam electrons beams；
Sweeping magnet component is for being respectively scanned two beam electrons beams；
Deflection magnet component for respectively to two beam electrons beams after being scanned through into horizontal deflection so that two beam electrons beams with
Orthogonal angular illumination is on being illuminated object.
Switching magnet component includes two magnet coils being oppositely arranged, two magnet wires in one of the embodiments,
Circle is set to the exit of accelerator, for the charged particle beam projected by the outlet of accelerator to be divided into two beams.
Sweeping magnet component includes scan box and at least one sweeping magnet coil in one of the embodiments,；
Scan box includes box body and scanning extraction window, and the separate scanning that at least one sweeping magnet coil is set to box body is drawn
One end of exit window；Electron beam into box body is drawn under the action of sweeping magnet coil in the downward self-scanning extraction window of planar.
At least one sweeping magnet coil includes high frequency sweep magnet coil and low-frequency sweep in one of the embodiments,
Magnet coil, high frequency sweep magnet coil is compared with low frequency sweeping magnet coil far from scanning extraction window.
Scanning extraction window includes forms in one of the embodiments, and forms are made of micron order titanium foil.
The thickness of titanium foil is 30 μm~50 μm in one of the embodiments,.
Scanning extraction window further includes window frame in one of the embodiments, and forms are installed on window frame.
Deflection magnet component includes deflection magnet coil in one of the embodiments, and deflection magnet coil is set to box
Body is close to one end of scanning extraction window.
Deflection magnet coil includes four iron cores and two coils, four two two places of iron core in one of the embodiments,
The both sides of box body are symmetrically distributed in, a coil is connect with two opposite iron cores of the both sides positioned at box body.
Accelerator is high direct voltage electronics accelerator in one of the embodiments,.
Above-mentioned irradiation processing device is divided into two beams, using sweeping magnet by the charged particle beam for projecting accelerator
The effect of component and deflection magnet component, enable two beam electrons beams at different angles eradiation on being illuminated object, to
Make at the position to be illuminated the circumference irradiation dose that object is subject to uniform, and be effectively improved irradiation processing efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram for the irradiation processing device that one embodiment of the invention provides；
Fig. 2 is the schematic front view of structure shown in Fig. 1；
Fig. 3 is the schematic side view of structure shown in Fig. 1；
Fig. 4 is the A-A schematic cross-sectional views of structure shown in Fig. 3；
Fig. 5 is the irradiation principle schematic for the irradiation processing device that one embodiment of the invention provides.
Wherein：
100- switching magnet components；
110- magnet coils；
200- sweeping magnet components；
210- scan box；211- box bodys；212- scans extraction window；
220- sweeping magnet coils；221- high frequency sweep magnet coils；222- low-frequency sweep magnet coils；
300- deflection magnet components；
310- deflection magnet coils；311- iron cores；312- coils；
The tracks 400-；
500- is illuminated object.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, by the following examples, it and combines attached
The irradiation processing device of the present invention is further elaborated in figure.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes.
Irradiation processing device is typically used for handling various types of articles, such as the Keep the quality and freshness etc. of food, drug,
And for sterilisation of objects etc., or the surface treatment etc. suitable for article.When in use, entirety is close for irradiation processing device
It is encapsulated in radiation chamber, radiation chamber is substantially built up by materials such as armored concrete.This is because the mistake used in irradiation processing device
Cheng Zhong can have reaction product such as ozone in the air of radiation chamber.There is also a large amount of ionising radiations in radiation chamber simultaneously.
As shown in Figures 1 to 5, the present invention one implements the irradiation processing device provided, including：
Accelerator (not shown), makes charged particle accelerate and projects charged particle beam；
It is equipped with switching magnet component 100, sweeping magnet component 200 and deflection successively in the transmission path of charged particle beam
Magnet assemblies 300；
Switching magnet component 100 is used to charged particle beam being divided into two beam electrons beams；
Sweeping magnet component 200 is for being respectively scanned two beam electrons beams；
Deflection magnet component 300 is used for respectively to two beam electrons beams after being scanned through into horizontal deflection, so that two beam electrons
Beam is with orthogonal angular illumination on being illuminated object 500.
Wherein, accelerator can be high direct voltage electronics accelerator.Along the length quilt of accelerator after the releasing of electronics self-electrode
Accelerate, electron beam is finally projected by the outlet of accelerator.Certainly, accelerator can also use ringotron etc. other kinds of
Accelerator.
It is moved by means of transport system in use, being illuminated object 500, irradiation processing device is located at the upper of transport system
Side is preferably horizontally transported so as to be illuminated object 500, and can be with illuminated perpendicular to its transported direction.Through
The charged particle beam for crossing accelerator injection passes through switching magnet component 100, sweeping magnet component 200 and deflection magnet component successively
300, finally more equably, be radiated at and be illuminated on object 500 with different angle of radiation, make to be illuminated object 500 at the position
The circumference irradiation dose being subject to is uniform.For being illuminated object 500 and be electric wire or other circular tube shaped objects, electric wire or
The axial direction of other circular tube shaped objects is consistent with the direction of travel of transport system, and two beam electrons beams show greatly orthogonal angle
It is radiated on the periphery of electric wire or other circular tube shaped objects, so can be achieved to electric wire or other circular tube shaped objects
The irradiation uniformity and continuity of continuous product cylindrical etc. big section.In this way, the irradiation processing device of the present invention can be significantly
Improve irradiation products, such as the irradiation effect of the cylindrical continuous product in big section, improves the irradiation processing efficiency of irradiation products.
Referring to Fig. 2, Fig. 3 and Fig. 4, as a kind of enforceable mode, switching magnet component 100 includes two be oppositely arranged
A magnet coil 110, two magnet coils 110 are set to the exit of accelerator, are used to be projected by the outlet of accelerator
Charged particle beam is divided into two beams.By switching magnet component 100, charged particle beam is artificially set to occur in accelerator exit inclined
Then it is divided into two beams, it is final to realize that two beam electrons beams be from two different directions radiation on being illuminated object 500.
Referring to Fig. 2, Fig. 3 and Fig. 4, as a kind of enforceable mode, sweeping magnet component 200 includes 210 He of scan box
At least one sweeping magnet coil 220；
Scan box 210 includes box body 211 and scanning extraction window 212, and at least one sweeping magnet coil 220 is set to box body
One end of 211 separate scanning extraction window 212；Electron beam into box body 211 is in face under the action of sweeping magnet coil 220
The downward self-scanning extraction window 212 of shape is drawn.
It is appreciated that the upper end of the box body 211 of scan box 210, i.e. one end far from scanning extraction window 212, have box body
Entrance, the outlet of the box body entrance and accelerator.In irradiation processing device, in the box body 211 of accelerator and scan box 210
Portion is vacuum state.The inner vacuum and ambient atmosphere of irradiation processing device can be isolated in scanning extraction window 212, while again
High-power electron beam can be allowed to penetrate extraction, so the scanning extraction window 212 is made in the film usually using high intensity, such as titanium
Foil.
In one embodiment, scanning extraction window 212 includes forms, and forms are made of micron order titanium foil.Wherein, the thickness of titanium foil
It can be 30 μm~50 μm.In this way, can be passed through convenient for electronics.Further, scanning extraction window 212 further includes window frame, forms peace
Loaded on window frame.Forms are tightly connected by 211 lower end of box body of window frame and scan box 210.Selectively, window frame can be used stainless
Steel material makes.
Selectively, 211 general shape of box body is, front is seen as up-narrow and down-wide trapezoidal, and side is seen as rectangle, and scanning is drawn
Exit window 212 is located at trapezoidal lower end broadside.
For the electron beam that accelerator projects substantially at spot beam, the effect of sweeping magnet coil 220 is exactly to pass through electron beam
It is set to be become band-like from dotted on scanning extraction window 212 and (be radiated on scanning extraction window 212 in band-like, then edge after scanning
From the point of view of the injection direction of electron beam, electron beam is that substantially sector shape is aimed downwardly on scanning extraction window 212 in box body 211
), realization is illuminated the Uniform Irradiation of object 500 in one fixed width to movement, while beam power density being made to disperse, and protects
Power distributing equilibrium on card scanning extraction window 212 ensures that scanning extraction window 212 is not damaged.Selectively, at least one to sweep
It includes high frequency sweep magnet coil 221 and low-frequency sweep magnet coil 222, high frequency sweep magnet coil 221 to retouch magnet coil 220
Compared with low frequency sweeping magnet coil 222 far from scanning extraction window 212, i.e. high frequency sweep magnet coil 221 is located at low-frequency sweep magnet
The top of coil 222.
Referring to Fig. 2, Fig. 3 and Fig. 4, as a kind of enforceable mode, deflection magnet component 300 includes deflection magnet coil
310, deflection magnet coil 310 is set to box body 211 close to one end of scanning extraction window 212.Deflection magnet coil 310 is for making
Electron beam deflects, and the effect of deflection of a beam of electrons depends on the size of magnetic deflection field.Deflection magnet coil is driven by change
The size and Orientation of the electric current of 310 work enables two beam electrons beams with orthogonal to change the deflection angle of electron beam
Angular illumination is on being illuminated object 500.
In one embodiment, deflection magnet coil 310 includes four iron cores 311 and two coils 312, four 311 liang of iron cores
Two places are symmetrically distributed in the both sides of box body 211, a coil 312 and two opposite iron cores 311 positioned at the both sides of box body 211
Connection.In the present embodiment, it is two groups to be substantially divided to deflection magnet coil 310, and there are one coil 312 and two iron cores for every group of tool
311.It is appreciated that as described above, the electron beam of accelerator injection is become under the action of switching magnet component 100 by a branch of
Two beams, two beam electrons beams are mutual indepedent, non-interference.Two groups of deflection magnet coils 310 respectively to two beam electrons beams into horizontal deflection,
To change the deflection angle of two beam electrons beams respectively, two beam electrons beams is enable to be illuminated object with orthogonal angular illumination
On 500.
Based on the above structure, the operation principle of irradiation processing device of the invention is：
Accelerator projects charged particle beam, and charged particle beam is divided into two beams electricity under the action of switching magnet component 100
Beamlet, two beam electrons beams enter scan box 210 from box body entrance respectively, and are scanned respectively, scanned rear two beam electrons beam edges
Box body 211 travels downwardly, and then deflects respectively under the action of deflection magnet component 300, and self-scanning is drawn respectively
Window 212 project and with orthogonal angular illumination on being illuminated object 500.During this, object 500 is illuminated simultaneously by conveying
System conveys, and for being illuminated object 500 and be electric wire, the axial direction of electric wire is consistent with the direction of travel of transport system,
And two beam electrons beams show greatly orthogonal angular illumination on the periphery of electric wire, so can be achieved to electric wire
The irradiation uniformity and continuity of continuous product cylindrical etc. big section.Referring to Fig. 5, the traveling of electron beam during irradiation processing
Track is substantially as shown in track 400.In this way, the irradiation processing device of the present invention can substantially improve the irradiation effect of irradiation products
Fruit improves the irradiation processing efficiency of irradiation products.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of irradiation processing device, which is characterized in that including：
Accelerator makes charged particle accelerate and projects charged particle beam；
It is equipped with switching magnet component, sweeping magnet component and deflection magnet group successively in the transmission path of the charged particle beam
Part；
The switching magnet component is used to the charged particle beam being divided into two beam electrons beams；
The sweeping magnet component is for being respectively scanned the two beam electrons beam；
The deflection magnet component is used for respectively to the two beam electrons beam after being scanned through into horizontal deflection, so that two beam
Electron beam is with orthogonal angular illumination on being illuminated object.
2. irradiation processing device according to claim 1, which is characterized in that the switching magnet component includes being oppositely arranged
Two magnet coils, described two magnet coils are set to the exit of the accelerator, for will be by the accelerator
The charged particle beam that outlet is projected is divided into two beams.
3. irradiation processing device according to claim 1, which is characterized in that the sweeping magnet component include scan box and
At least one sweeping magnet coil；
The scan box includes box body and scanning extraction window, and at least one sweeping magnet coil is set to the remote of the box body
One end from the scanning extraction window；Into the box body electron beam under the action of the sweeping magnet coil in planar to
Under from the scanning extraction window draw.
4. irradiation processing device according to claim 3, which is characterized in that at least one sweeping magnet coil includes
High frequency sweep magnet coil and low-frequency sweep magnet coil, the high frequency sweep magnet coil low-frequency sweep magnet coil
Far from the scanning extraction window.
5. irradiation processing device according to claim 3, which is characterized in that the scanning extraction window includes forms, described
Forms are made of micron order titanium foil.
6. irradiation processing device according to claim 5, which is characterized in that the thickness of the titanium foil is 30 μm~50 μm.
7. irradiation processing device according to claim 5, which is characterized in that the scanning extraction window further includes window frame, institute
It states forms and is installed on the window frame.
8. irradiation processing device according to claim 3, which is characterized in that the deflection magnet component includes deflection magnet
Coil, the deflection magnet coil are set to the box body close to one end of the scanning extraction window.
9. irradiation processing device according to claim 8, which is characterized in that the deflection magnet coil includes four iron cores
With two coils, four iron cores, two two places are symmetrically distributed in the both sides of the box body, a coil with positioned at described
The iron core connection of opposite two of the both sides of box body.
10. according to claim 1-9 any one of them irradiation processing devices, which is characterized in that the accelerator is that direct current is high
Press electron accelerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810217674.5A CN108335777A (en) | 2018-03-16 | 2018-03-16 | Irradiation processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810217674.5A CN108335777A (en) | 2018-03-16 | 2018-03-16 | Irradiation processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108335777A true CN108335777A (en) | 2018-07-27 |
Family
ID=62931088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810217674.5A Pending CN108335777A (en) | 2018-03-16 | 2018-03-16 | Irradiation processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108335777A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109287059A (en) * | 2018-08-13 | 2019-01-29 | 中国科学院近代物理研究所 | A kind of vertical ejector of low-energy electronic accelerator scanning beam and method |
| CN113409981A (en) * | 2021-06-18 | 2021-09-17 | 中国科学院近代物理研究所 | Multi-surface irradiation method and system for electron beam irradiation processing |
| CN113456845A (en) * | 2021-07-12 | 2021-10-01 | 中国原子能科学研究院 | Irradiation device and method for sterilization treatment by using same |
| CN113470852A (en) * | 2021-07-12 | 2021-10-01 | 中国原子能科学研究院 | Irradiation device and method for sterilization by using same |
| CN113903492A (en) * | 2020-06-22 | 2022-01-07 | 四川智研科技有限公司 | Electron beam irradiation treatment method for inner and outer surfaces of barrel-shaped container |
-
2018
- 2018-03-16 CN CN201810217674.5A patent/CN108335777A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109287059A (en) * | 2018-08-13 | 2019-01-29 | 中国科学院近代物理研究所 | A kind of vertical ejector of low-energy electronic accelerator scanning beam and method |
| CN109287059B (en) * | 2018-08-13 | 2020-12-29 | 中国科学院近代物理研究所 | Device and method for vertically leading out scanning beam of low-energy electron accelerator |
| CN113903492A (en) * | 2020-06-22 | 2022-01-07 | 四川智研科技有限公司 | Electron beam irradiation treatment method for inner and outer surfaces of barrel-shaped container |
| CN113409981A (en) * | 2021-06-18 | 2021-09-17 | 中国科学院近代物理研究所 | Multi-surface irradiation method and system for electron beam irradiation processing |
| CN113456845A (en) * | 2021-07-12 | 2021-10-01 | 中国原子能科学研究院 | Irradiation device and method for sterilization treatment by using same |
| CN113470852A (en) * | 2021-07-12 | 2021-10-01 | 中国原子能科学研究院 | Irradiation device and method for sterilization by using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108335777A (en) | Irradiation processing device | |
| US20080198970A1 (en) | Compact scanned electron-beam x-ray source | |
| CA2268136C (en) | Simultaneous double sided irradiation | |
| CN102264436B (en) | Particle radiation therapy apparatus | |
| JP3797672B2 (en) | High-speed magnetic scanning of heavy ion beams | |
| US4281251A (en) | Scanning beam deflection system and method | |
| US4063098A (en) | Beam scanning system | |
| US2887583A (en) | Electron accelerator for irradiation | |
| CN207742944U (en) | irradiation processing device | |
| CN212750391U (en) | Electron beam irradiation treatment device for inner and outer surfaces of barrel-shaped container | |
| US4075496A (en) | Charged particle irradiation apparatus | |
| CN212276825U (en) | Irradiation device for inner and outer surfaces of container | |
| US2993120A (en) | Electron irradiation | |
| US6486482B1 (en) | Irradiation equipment | |
| CN109287059B (en) | Device and method for vertically leading out scanning beam of low-energy electron accelerator | |
| US9812282B2 (en) | System and method for irradiating a product | |
| US11717584B2 (en) | Supported X-ray horn for controlling e-beams | |
| CN113903489A (en) | Electron beam irradiation treatment device for inner and outer surfaces of barrel-shaped container | |
| CA1291568C (en) | Array electron accelerator | |
| CN214969417U (en) | Box surface sterilization device and system applying device | |
| GB789456A (en) | Improved method of treating materials with high energy particles | |
| CN2641816Y (en) | Electronic beam leading device | |
| CN113903492A (en) | Electron beam irradiation treatment method for inner and outer surfaces of barrel-shaped container | |
| JPH0778560B2 (en) | Linac for electron beam irradiation | |
| JP4192614B2 (en) | Electron beam irradiation device for cross irradiation |
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 | ||
| CB02 | Change of applicant information |
Address after: 030600 Shanxi Jinzhong Shanxi demonstration zone Jinzhong Development Zone Huitong Industrial Park, Pioneer Street 8 Applicant after: Shanxi one Tai Ke Electrical Equipment Co., Ltd. Address before: 030600 Zhang Qing Industrial Park, Yuci District, Jinzhong, Shanxi Applicant before: Shanxi one Tai Ke Electrical Equipment Co., Ltd. |
|
| CB02 | Change of applicant information |