Chengxiang He

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 9,805,889
- Issue date Oct 31, 2017
- Chengxiang He
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20150380189
- Publication date Dec 31, 2015
- Chengxiang He
- H01 - BASIC ELECTRIC ELEMENTS