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US3218441A Cathode ray captured spot sensing unit 失效
阴极射线捕获点感测单元

  • Patent Title: Cathode ray captured spot sensing unit
  • Patent Title (中): 阴极射线捕获点感测单元
  • Application No.: US18515562
    Application Date: 1962-04-04
  • Publication No.: US3218441A
    Publication Date: 1965-11-16
  • Inventor: DERSCH WILLIAM C , JOHNSON REYNOLD B
  • Applicant: IBM
  • Assignee: Ibm
  • Current Assignee: Ibm
  • Priority: US18515562 1962-04-04
  • Main IPC: G06F3/08
  • IPC: G06F3/08
Cathode ray captured spot sensing unit
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