Invention Grant
US3225575A Safety device for locking doors and the like 失效
用于锁定门等的安全装置

  • Patent Title: Safety device for locking doors and the like
  • Patent Title (中): 用于锁定门等的安全装置
  • Application No.: US19968862
    Application Date: 1962-06-04
  • Publication No.: US3225575A
    Publication Date: 1965-12-28
  • Inventor: ROGER LUCAS
  • Applicant: ROGER LUCAS
  • Assignee: Lucas Roger
  • Current Assignee: Lucas Roger
  • Priority: FR42194 1962-01-12
  • Main IPC: E05B63/00
  • IPC: E05B63/00 E05C19/00
Safety device for locking doors and the like
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