一种地下水库煤柱坝体侧向切顶卸压设备及切顶卸压方法

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:邵栋梁

Type of Patent:国内

State of Patent:专利授权

Application Number:202010893922.5

Service Invention or Not:no

Application Date:2020-08-31

Authorization Date:2022-10-18

First Author:wangfangtian