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Title:一种适用于软岩大变形隧道支护的多级让压式锚杆
Institution:土建与水利学院
Type of Patent:Invent
Application Number:202110368304.3
Number of Inventors:2
Service Invention or Not:No
Application Date:2021-04-06
Publication Date:2022-03-04
Authorization Date:2022-03-04
Release Time:2022-05-18