中国矿业大学主页平台系统 Qingquan Liu--Home-- Gas drainage method with wells for underground mining

Affilication of Author(s):
中国矿业大学
Scope of patent:
国内
School Sign:
第一单位
Disigner of the Invention:
Hongyong Liu,Wang Liang,Liguo Wang,Haidong Chen,Qingquan Liu
Type of Patent:
Invent
State of Patent:
Authorized patents
Application Number:
CN 201110133913.7
Authorization number:
ZL 201110133913.7
Number of Inventors:
6
Service Invention or Not:
no
Application Date:
2011-05-24
Authorization Date:
2013-06-05
First Author:
Yuanping Cheng

Personal Homepage