张乾青
Title:Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Patents
Title of Award : 一种适用于软弱破碎围岩的吸能让压隧道支护系统及方法
Hits :
Title:一种适用于软弱破碎围岩的吸能让压隧道支护系统及方法
Institution:岩土与地下工程研究院
Type of Patent:Invent
Application Number:201410356142.1
Number of Inventors:3
Service Invention or Not:No
Application Date:2014-07-24
Publication Date:2016-04-06
Authorization Date:2016-04-06
Release Time:2019-04-15