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一种实现多孔同时施注的群孔注浆套管、装置及其施工方法

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

  • Patent Applicant:zhangqingsong,Liu Rentai

  • Type of Patent:发明

  • Application Number:201710305678.4

  • Number of Inventors:2

  • Service Invention or Not:no

  • Application Date:2017-05-03

  • Application Date:2017-05-03
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