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last 30 patents
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Patent Grant
Mask and manufacturing method thereof, fine metal mask, mask device...
Patent number
11,560,615
Issue date
Jan 24, 2023
Chengdu BOE Optoelectronics Technology Co., Ltd.
Peng Xu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
MASK AND MANUFACTURING METHOD THEREOF, FINE METAL MASK, MASK DEVICE...
Publication number
20210404049
Publication date
Dec 30, 2021
CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Peng XU
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...