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Invention Grant
US2146555A Hook-on measurement device 失效
挂钩测量装置

  • Patent Title: Hook-on measurement device
  • Patent Title (中): 挂钩测量装置
  • Application No.: US21365838
    Application Date: 1938-06-14
  • Publication No.: US2146555A
    Publication Date: 1939-02-07
  • Inventor: AREY RALPH G
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US21365838 1938-06-14
  • Main IPC: G01R5/14
  • IPC: G01R5/14
Hook-on measurement device
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