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一种柔性压力管道甩击运动发生装置

  • Date:2026-07-03
  • Hits:
  • Type of Patent: 

    Invent
  • State of Patent: 

    Authorized patents
  • Authorization number: 

    ZL202011410344.1
  • Service Invention or Not: 

    no
  • Authorization Date: 

    2022-04-15
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