Hits:
Title:巷道破碎涌水围岩钻孔套管隔压渗透封固注浆装置
Institution:岩土与地下工程研究院
Type of Patent:Utility models
Application Number:201220736324.8
Number of Inventors:1
Service Invention or Not:No
Application Date:2012-12-28
Publication Date:2013-07-03
Authorization Date:2013-07-03
Release Time:2019-04-15
