Hits:
Title:用于钻孔静压渗透旋喷注浆的孔口密封装置及其使用方法
Type of Patent:发明
Application Number:201510509314.9
Number of Inventors:16
Service Invention or Not:No
Application Date:2015-08-18
Publication Date:2017-04-19
Authorization Date:2015-08-18
Release Time:2018-12-06