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Invention Grant
US1175211A Quick-action jack. 失效
快速行动

  • Patent Title: Quick-action jack.
  • Patent Title (中): 快速行动
  • Application No.: US2132615
    Application Date: 1915-04-14
  • Publication No.: US1175211A
    Publication Date: 1916-03-14
  • Inventor: WILLOUR LE ROY
  • Applicant: WILLOUR LE ROY
  • Assignee: Le Roy Willour
  • Current Assignee: Le Roy Willour
  • Priority: US2132615 1915-04-14
Quick-action jack.
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