Invention Grant
US2452372A Cam mechanism 失效
凸轮机构

  • Patent Title: Cam mechanism
  • Patent Title (中): 凸轮机构
  • Application No.: US56156844
    Application Date: 1944-11-02
  • Publication No.: US2452372A
    Publication Date: 1948-10-26
  • Inventor: HARKNESS JOSEPH R
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US56156844 1944-11-02
Cam mechanism
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