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Title:一种倒楔式可回收锚杆
Institution:岩土与地下工程研究院
Type of Patent:Invent
Application Number:201510046130.3
Number of Inventors:4
Service Invention or Not:No
Application Date:2015-01-29
Publication Date:2016-11-30
Authorization Date:2016-11-30
Release Time:2019-04-16