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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:Invent
Application Number:201210359641.7
Number of Inventors:1
Service Invention or Not:No
Application Date:2012-09-25
Publication Date:2014-12-10
Authorization Date:2014-12-10
Release Time:2019-04-15