隧道监控量测测桩、其保护装置及施工方法
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Title:隧道监控量测测桩、其保护装置及施工方法
Institution:岩土与地下工程研究院
Type of Patent:Invent
Application Number:201911091867.1
Number of Inventors:2
Service Invention or Not:No
Application Date:2019-11-07
Publication Date:2021-02-23
Authorization Date:2021-02-23
Release Time:2021-05-11