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Title:应用于涌水砂土层中注浆管封固的双层式膜袋装置
Institution:岩土与地下工程研究院
Type of Patent:Utility models
Application Number:201420667098.1
Number of Inventors:3
Service Invention or Not:No
Application Date:2014-11-07
Publication Date:2015-04-08
Authorization Date:2015-04-08
Release Time:2019-04-15