Hits:
Title:一种适用于软弱破碎围岩的吸能让压隧道支护系统
Institution:岩土与地下工程研究院
Type of Patent:Utility models
Application Number:201420413140.7
Number of Inventors:3
Service Invention or Not:No
Application Date:2014-07-24
Publication Date:2015-01-07
Authorization Date:2015-01-07
Release Time:2019-04-15
