Invention Grant
US2567029A Throwout device for door operators 失效
Throwout设备门操作员

  • Patent Title: Throwout device for door operators
  • Patent Title (中): Throwout设备门操作员
  • Application No.: US1128948
    Application Date: 1948-02-26
  • Publication No.: US2567029A
    Publication Date: 1951-09-04
  • Inventor: SAUTER ALFRED H
  • Applicant: CRANE CO H W
  • Assignee: Crane Co H W
  • Current Assignee: Crane Co H W
  • Priority: US1128948 1948-02-26
  • Main IPC: E05F15/16
  • IPC: E05F15/16
Throwout device for door operators
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