Gang Liu

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LangFang, CN

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Patents Applicationslast 30 patents

Information Patent Application
UNDERGROUND COAL GASIFICATION FURNACE AND UNDERGROUND COAL GASIFICA...
- Publication number 20160194945
- Publication date Jul 7, 2016
- ENN COAL GASIFICATION MINING CO., LTD.
- Feng CHEN
- E21 - EARTH DRILLING MINING
Information Patent Application
GAS INJECTION APPARATUS WITH CONTROLLABLE GAS INJECTION POINT, GAS...
- Publication number 20160123128
- Publication date May 5, 2016
- ENN COAL GASIFICATION MINING CO., LTD.
- Gang LIU
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR FRACTURE COMMUNICATION, PASSAGE PROCESSING, AND UNDERGRO...
- Publication number 20150247394
- Publication date Sep 3, 2015
- ENN COAL GASIFICATION MINING CO., LTD.
- Feng Chen
- E21 - EARTH DRILLING MINING