Invention Grant
US1632396A Method of cutting leaders, gears, or racks 失效
切割领导者,齿轮或机架的方法

  • Patent Title: Method of cutting leaders, gears, or racks
  • Patent Title (中): 切割领导者,齿轮或机架的方法
  • Application No.: US61044223
    Application Date: 1923-01-03
  • Publication No.: US1632396A
    Publication Date: 1927-06-14
  • Inventor: FERNALD MARK E
  • Applicant: BLAKE C C INC
  • Assignee: Blake C C Inc
  • Current Assignee: Blake C C Inc
  • Priority: US61044223 1923-01-03
  • Main IPC: B23F15/02
  • IPC: B23F15/02
Method of cutting leaders, gears, or racks
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