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    一种钢管桩与钢管桩间用连接件

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    • Title:一种钢管桩与钢管桩间用连接件

    • Institution:土建与水利学院

    • Type of Patent:Utility models

    • Application Number:2019206214125

    • Number of Inventors:1

    • Service Invention or Not:No

    • Application Date:2019-04-29

    • Publication Date:2020-01-17

    • Authorization Date:2020-01-17

    • Release Time:2020-03-19
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