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US1736495A Method of forming hardware 失效
形成硬件的方法

  • Patent Title: Method of forming hardware
  • Patent Title (中): 形成硬件的方法
  • Application No.: US10817926
    Application Date: 1926-05-10
  • Publication No.: US1736495A
    Publication Date: 1929-11-19
  • Inventor: GEORGE GRAFF
  • Applicant: DURA CO
  • Assignee: Dura Co
  • Current Assignee: Dura Co
  • Priority: US10817926 1926-05-10
  • Main IPC: B21D53/48
  • IPC: B21D53/48
Method of forming hardware
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