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Anhu WANG
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Beijing, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Anti-seismic support method for mine shaft
Patent number
11,428,101
Issue date
Aug 30, 2022
CHINA COAL RESEARCH INSTITUTE
Qingjie Qi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of locating coal-rock main fracture by electromagnetic radia...
Patent number
11,397,236
Issue date
Jul 26, 2022
University of Science and Technology Beijing
Dazhao Song
G01 - MEASURING TESTING
Information
Patent Grant
Multi-system, multi-parameter, integrated, comprehensive early warn...
Patent number
11,043,101
Issue date
Jun 22, 2021
University of Science and Technology Beijing
Xueqiu He
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
ANTI-SEISMIC SUPPORT METHOD FOR MINE SHAFT
Publication number
20220018250
Publication date
Jan 20, 2022
CHINA COAL RESEARCH INSTITUTE
Qingjie QI
E21 - EARTH DRILLING MINING
Information
Patent Application
MULTI-SYSTEM, MULTI-PARAMETER, INTEGRATED, COMPREHENSIVE EARLY WARN...
Publication number
20210134135
Publication date
May 6, 2021
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Xueqiu He
G08 - SIGNALLING
Information
Patent Application
METHOD OF LOCATING COAL-ROCK MAIN FRACTURE BY ELECTROMAGNETIC RADIA...
Publication number
20190277942
Publication date
Sep 12, 2019
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Dazhao SONG
G01 - MEASURING TESTING