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一种桥梁施工用连接装置

  • Release time:2024-11
  • Hits:

  • Type of Patent: 

    Utility models

  • State of Patent: 

    Authorized patents

  • Authorization number: 

    ZL201821791542.5

  • Service Invention or Not: 

    no

  • Application Date: 

    2018-10

  • Authorization Date: 

    2019-07