Language : English
赵春晓

Patents

Gangue filling-grouting reinforcement deep well coalpillar-free gob-side entry retaining construction process

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School Sign:第一单位

Disigner of the Invention:huangbingxiang,zhaochunxiao,puhai,yaoqiangling,王琦,chenyanlong,Lu Yinlong,JiangFeng LIU,yuliyuan,申世豹,王刚,juminghe,wujiangyu,haoyang

Type of Patent:国内

State of Patent:专利授权

Application Number:202110345324.9

Service Invention or Not:no

Application Date:2022-02-11

Publication Date:2022-03-11

Authorization Date:2023-08-18

First Author:Meng Qingbin