Qiao GAO

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Xuzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Vertical shaft steel wire rope cage guide sliding sleeve device and...
- Patent number 10,619,991
- Issue date Apr 14, 2020
- China University of Mining and Technology
- Gongbo Zhou
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
VERTICAL SHAFT STEEL WIRE ROPE CAGE GUIDE SLIDING SLEEVE WEAR AMOUN...
- Publication number 20190376780
- Publication date Dec 12, 2019
- China University of Mining and Technology
- Gongbo ZHOU
- B66 - HOISTING LIFTING HAULING