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一种基于回采巷道全生命周期的支护方法
Release time:2023-09-01  Hits:

School Sign:第一单位
Disigner of the Invention:王烜辉,朱柳,于利强,回新冬,汤传金
Type of Patent:国内
State of Patent:专利授权
Application Number:201910918074.6
Service Invention or Not:no
Application Date:2019-09-26
Authorization Date:2020-07-03
First Author:yaoqiangling