Chengsheng WANG

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Nozzle and etching apparatus
- Patent number 10,186,434
- Issue date Jan 22, 2019
- Boe Technology Co., Ltd.
- Xilong Ding
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
NOZZLE AND ETCHING APPARATUS
- Publication number 20180108543
- Publication date Apr 19, 2018
- BOE TECHNOLOGY GROUP CO., LTD.
- Xilong DING
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...