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Method of recovering room-and-pillar coal pillar by using external replacement supports
Release time:2023-09-01 Hits:School Sign:第一单位
Disigner of the Invention:刘恒凤,limeng,武中亚,zhangjixiong
Type of Patent:国内
State of Patent:专利授权
Application Number:2019333944
Service Invention or Not:no
Application Date:2019-02-22
Authorization Date:2021-10-28
First Author:Zhou Nan
Zhou Nan
Gender:Male
Education Level:With Certificate of Graduation for Doctorate Study
Alma Mater:中国矿业大学
Main positions:无
Degree:Doctor
School/Department:矿业工程学院
Business Address:矿业工程学院B503-1
Contact Information:zhounanyou@126.com
E-Mail: