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一种盾构隧道地质评价用气动触发装置及方法
Release Time:2021-12-21
  • Institution:
    齐鲁交通学院
  • Type of Patent:
    Invent
  • Application Number:
    202011123012.5
  • Number of Inventors:
    3
  • Service Invention or Not:
    No
  • Application Date:
    2020-10-20
  • Publication Date:
    2021-11-19
  • Authorization Date:
    2021-11-19
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