Invention Grant
US3363148A Pointer-deflection instrument monitoring device 失效
指针偏转仪监测装置

  • Patent Title: Pointer-deflection instrument monitoring device
  • Patent Title (中): 指针偏转仪监测装置
  • Application No.: US36564964
    Application Date: 1964-05-07
  • Publication No.: US3363148A
    Publication Date: 1968-01-09
  • Inventor: FREEMAN JOHN D
  • Applicant: GEN TIME CORP
  • Assignee: Gen Time Corp
  • Current Assignee: Gen Time Corp
  • Priority: US36564964 1964-05-07
  • Main IPC: G01D13/26
  • IPC: G01D13/26
Pointer-deflection instrument monitoring device
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