Xufeng WANG

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Xuzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for removing hydraulic support for solid filling coal mining
- Patent number 10,036,252
- Issue date Jul 31, 2018
- China University of Mining and Technology
- Feng Ju
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR REMOVING HYDRAULIC SUPPORT FOR SOLID FILLING COAL MINING
- Publication number 20170138194
- Publication date May 18, 2017
- Feng JU
- E21 - EARTH DRILLING MINING