Zhiguo Cao

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Artificial dam of distributed coal mine underground reservoir and i...
- Patent number 9,689,128
- Issue date Jun 27, 2017
- China Shenhua Energy Company Limited
- Dazhao Gu
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
AN ARTIFICIAL DAM OF DISTRIBUTED COAL MINE UNDERGROUND RESERVOIR AN...
- Publication number 20160201460
- Publication date Jul 14, 2016
- CHINA SHENHUA ENERGY COMPANY LIMITED
- Dazhao Gu
- E21 - EARTH DRILLING MINING