Hits:
Title:用于膨胀性土层隧道初期支护的支护装置
Institution:岩土与地下工程研究院
Type of Patent:Utility models
Application Number:201420081505.0
Number of Inventors:2
Service Invention or Not:No
Application Date:2014-02-25
Publication Date:2014-09-10
Authorization Date:2014-09-10
Release Time:2019-04-15