Huanyu Guo

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tapping hammer for tapping test
- Patent number 9,222,860
- Issue date Dec 29, 2015
- BOE Technology Group Co., Ltd.
- Zhibin Hao
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Tapping Hammer for Tapping Test
- Publication number 20140165696
- Publication date Jun 19, 2014
- BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
- Zhibin Hao
- G01 - MEASURING TESTING