Meng Qingbin

Click:

The Last Update Time:..

Current position: Home > Scientific Research > Patents

Patents

一种矸石充填-注浆加固深井无煤柱沿空留巷施工工艺
Release time:2023-09-01  Hits:

School Sign:第一单位
Disigner of the Invention:王杰,huangbingxiang,王琦,puhai,zhouyuejin,JiangFeng LIU,孙稳
Type of Patent:国内
State of Patent:专利授权
Application Number:202110345324.9
Service Invention or Not:no
Application Date:2021-03-31
Publication Date:2021-05-25
Authorization Date:2021-11-23
First Author:Meng Qingbin