一种露天端帮压煤放射式开采方法

Release time:2020-10-30 Hits:

Affilication of Author(s):矿业工程学院

Scope of patent:国内

Disigner of the Invention:zhangjixiong,李猛,孙凯,zhangweiqing

Type of Patent:国内

State of Patent:专利授权

Application Number:201910235248.9

Number of Inventors:5

Service Invention or Not:no

Application Date:2019-03-27

Authorization Date:2020-01-21

First Author:Zhou Nan