Meng Qingbin

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窄煤柱沿空顺槽端头自膨胀增强锚固型锚杆结构及方法
Release time:2023-11-10  Hits:

School Sign:第一单位
Disigner of the Invention:王杰,JiangFeng LIU,zhouyuejin,mazhanguo,liming,chenyanlong,孙稳
Type of Patent:国内
State of Patent:专利授权
Application Number:202110259201.3
Service Invention or Not:no
Application Date:2021-03-10
Publication Date:2021-07-23
Authorization Date:2023-10-27
First Author:Meng Qingbin