Chenxiao CAO

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Rotating magnetic field range finder and its measurement method for...
- Patent number 10,520,632
- Issue date Dec 31, 2019
- BEIJING NANA TESLA TECHNOLOGY CO. LTD
- Yue Zhang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Rotating Magnetic Field Range Finder and its Measurement Method for...
- Publication number 20180038984
- Publication date Feb 8, 2018
- Yue ZHANG
- G01 - MEASURING TESTING