张乾青
Title:Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Patents
Title of Award : 一种先柔后刚的锁脚锚杆组合支护装置及安装方法
Hits :
Title:一种先柔后刚的锁脚锚杆组合支护装置及安装方法
Institution:岩土与地下工程研究院
Type of Patent:Invent
Application Number:201611207470.0
Number of Inventors:4
Service Invention or Not:No
Application Date:2016-12-23
Publication Date:2019-04-30
Authorization Date:2019-04-30
Release Time:2019-04-16