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Title:一种多级增阻锚杆
Institution:岩土与地下工程研究院
Type of Patent:Utility models
Application Number:201520050082.0
Number of Inventors:5
Service Invention or Not:No
Application Date:2015-01-23
Publication Date:2015-07-22
Authorization Date:2015-07-22
Release Time:2019-04-16