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一种基于密集钻孔的切顶卸压方法
Release time:2023-09-01  Hits:

Affilication of Author(s):矿业工程学院
Scope of patent:国内
School Sign:第一单位
Disigner of the Invention:刘梓昌,夏泽,马军强,申乾,李杰
Type of Patent:国内
State of Patent:专利授权
Application Number:201911200014.7
Service Invention or Not:no
Application Date:2019-11-29
Authorization Date:2021-08-20
First Author:yaoqiangling