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Invention Grant
US3118997A Damping device for oil circuit breakers 失效
油路断路器阻尼装置

  • Patent Title: Damping device for oil circuit breakers
  • Patent Title (中): 油路断路器阻尼装置
  • Application No.: US85866859
    Application Date: 1959-12-10
  • Publication No.: US3118997A
    Publication Date: 1964-01-21
  • Inventor: RAGNAR BERGSTROM LARS
  • Applicant: ASEA AB
  • Assignee: Asea Ab
  • Current Assignee: Asea Ab
  • Priority: SE1164858 1958-12-16
  • Main IPC: H01H33/75
  • IPC: H01H33/75
Damping device for oil circuit breakers
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