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Invention Grant
US2886783A Balancing structure for electric instrument movement 失效
电动仪表运动平衡结构

  • Patent Title: Balancing structure for electric instrument movement
  • Patent Title (中): 电动仪表运动平衡结构
  • Application No.: US65562157
    Application Date: 1957-04-29
  • Publication No.: US2886783A
    Publication Date: 1959-05-12
  • Inventor: ROMAN SICHO
  • Applicant: ROMAN SICHO
  • Assignee: Sicho Roman
  • Current Assignee: Sicho Roman
  • Priority: US65562157 1957-04-29
  • Main IPC: G01R1/10
  • IPC: G01R1/10
Balancing structure for electric instrument movement
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