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Hongying Wang
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Beijing, CN
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Patents Grants
last 30 patents
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Patent Grant
Self-anchored opposite-pulling anti-impact anchor cable for section...
Patent number
11,187,081
Issue date
Nov 30, 2021
Liaoning University
Yishan Pan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic support unit and hydraulic support for anti-rock burst ro...
Patent number
10,774,642
Issue date
Sep 15, 2020
Liaoning University
Yishan Pan
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
SELF-ANCHORED OPPOSITE-PULLING ANTI-IMPACT ANCHOR CABLE FOR SECTION...
Publication number
20210396138
Publication date
Dec 23, 2021
LIAONING UNIVERSITY
Yishan Pan
E21 - EARTH DRILLING MINING