一种高瓦斯煤层无煤柱开采及瓦斯治理的方法

Release time:2023-09-01 Hits:

School Sign:第一单位

Disigner of the Invention:王圣志,钟慧伟,朱成,陈忠顺,王文苗,陈大广,张村,王沉,朱德福,李波

Type of Patent:国内

State of Patent:专利授权

Application Number:202010439584.8

Service Invention or Not:no

Application Date:2020-05-22

Authorization Date:2021-07-30

First Author:Yuan Yong