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    一种岩溶管道型涌水高效封堵超高膨胀注浆材料及其制备、使用方法和应用

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    • Title:一种岩溶管道型涌水高效封堵超高膨胀注浆材料及其制备、使用方法和应用

    • Institution:岩土与地下工程研究院

    • Type of Patent:Invent

    • Application Number:201911128522.9

    • Number of Inventors:1

    • Service Invention or Not:No

    • Application Date:2019-11-18

    • Publication Date:2021-02-23

    • Authorization Date:2021-02-23

    • Release Time:2021-05-11

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