一种适用于上倾钻孔声波测试的分段式耦合装置及方法
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Title:一种适用于上倾钻孔声波测试的分段式耦合装置及方法
Institution:岩土与地下工程研究院
Type of Patent:Invent
Application Number:201911221565.1
Number of Inventors:2
Service Invention or Not:No
Application Date:2019-12-03
Publication Date:2021-09-03
Authorization Date:2021-09-03
Release Time:2021-09-19