Shuchuan Zhang

Follow

Person

LangFang, CN

People

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR JOINT-MINING OF COALBED GAS AND COAL
- Publication number 20150247385
- Publication date Sep 3, 2015
- ENN COAL GASIFICATION MINING CO., LTD.
- Feng Chen
- 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