张乾青
Title:Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Patents
Title of Award : 用于穿越溶洞的软弱破碎地层隧道支护体系及安装方法
Hits :
Title:用于穿越溶洞的软弱破碎地层隧道支护体系及安装方法
Institution:岩土与地下工程研究院
Type of Patent:Invent
Application Number:201510186053.1
Number of Inventors:5
Service Invention or Not:No
Application Date:2015-04-17
Publication Date:2017-05-31
Authorization Date:2017-05-31
Release Time:2019-04-16