Wuxian Wang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Protecting trolley and construction method of rock burst prewarning...
- Patent number 11,920,474
- Issue date Mar 5, 2024
- CHINA RAILWAY 16TH BUREAU GROUP CO., LTD.
- Dong Ma
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
COAL UNCOVERING CONSTRUCTION METHOD FOR BLASTING LARGE CROSS-SECTIO...
- Publication number 20240035380
- Publication date Feb 1, 2024
- CHINA RAILWAY 16TH BUREAU GROUP CO., LTD.
- Wuxian Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
PROTECTING TROLLEY AND CONSTRUCTION METHOD OF ROCK BURST PREWARNING...
- Publication number 20220136391
- Publication date May 5, 2022
- CHINA RAILWAY 16TH BUREAU GROUP CO., LTD.
- Dong Ma
- E21 - EARTH DRILLING MINING