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适用于埋设不同深度孔隙水压力计的钻孔防塌装置
Release Time:2019-04-15
  • Institution:
    土建与水利学院
  • Type of Patent:
    Utility models
  • Application Number:
    201220015976.2
  • Number of Inventors:
    1
  • Service Invention or Not:
    No
  • Application Date:
    2012-01-13
  • Publication Date:
    2012-09-05
  • Authorization Date:
    2012-09-05
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