Yiming YU

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum arc extinguishing change-over selector
- Patent number 9,082,573
- Issue date Jul 14, 2015
- SHANGHAI HUAMING POWER EQUIPMENT CO. LTD
- Qiang Zhu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
VACUUM ARC EXTINGUISHING CHANGE-OVER SELECTOR
- Publication number 20130306601
- Publication date Nov 21, 2013
- Shanghai Huaming Power Equipment Group Co., Ltd
- Qiang ZHU
- H01 - BASIC ELECTRIC ELEMENTS