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    一种前进式钻注一体装置及使用方法

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    • Title:一种前进式钻注一体装置及使用方法

    • Institution:岩土与地下工程研究院

    • Type of Patent:Invent

    • Application Number:201910600577.9

    • Number of Inventors:2

    • Service Invention or Not:No

    • Application Date:2019-07-04

    • Publication Date:2020-05-26

    • Authorization Date:2020-05-26

    • Release Time:2020-06-05

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