Inventor · disambiguated record

Zishan Gao

Also filed as: GAO ZISHAN

1 granted patent·0 citations·filing 2017–2017

2Inventor score

Technology areasE21B

Files withUNIV CHINA MINING1

Top patents by PatentIndex Score

1 record

0131US11060384B2Method for precisely extracting coal-mine gasUNIV CHINA MINING·Filed 2017·Granted Jul 13, 2021·0 cites·6 claims

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