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一种适用模型试验的可视化微型隧洞掘进系统
Release Time:2019-04-15
  • Institution:
    岩土与地下工程研究院
  • Type of Patent:
    Utility models
  • Application Number:
    201220711770.3
  • Number of Inventors:
    1
  • Service Invention or Not:
    No
  • Application Date:
    2012-12-21
  • Publication Date:
    2013-06-05
  • Authorization Date:
    2013-06-05
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