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一种适用于上倾钻孔孔内摄像装置及方法

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Affilication of Author(s):岩土与结构工程研究中心

Type of Patent:发明

Application Number:202010202999.3

Number of Inventors:2

Service Invention or Not:no

Application Date:2020-03-20

Publication Date:2024-03-15

Authorization Date:2024-03-15

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