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Title:深部软岩巷道三维预应力钢绞线壁后充填支架支护体系
Institution:岩土与地下工程研究院
Type of Patent:Utility models
Application Number:201220491388.6
Number of Inventors:3
Service Invention or Not:No
Application Date:2012-09-25
Publication Date:2013-04-17
Authorization Date:2013-04-17
Release Time:2019-04-15