Title : 一种恒定速度钻进装置及评判地层的方法
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Title:一种恒定速度钻进装置及评判地层的方法
Affilication of Author(s):岩土与结构工程研究中心
Type of Patent:发明
Application Number:202111093198.9
Number of Inventors:2
Service Invention or Not:no
Application Date:2021-09-17
Publication Date:2023-04-07
Authorization Date:2023-04-07
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