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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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  • Affilication of Author(s):岩土与结构工程研究中心

  • Type of Patent:发明

  • 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

  • Publication Date:2021-02-23

  • Application Date:2019-11-18

  • Authorization Date:2021-02-23
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