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Invention Grant
US2407176A Plugboard 失效
插板

  • Patent Title: Plugboard
  • Patent Title (中): 插板
  • Application No.: US56785644
    Application Date: 1944-12-12
  • Publication No.: US2407176A
    Publication Date: 1946-09-03
  • Inventor: PIATT DONALD R , GRAY ALVIN E
  • Applicant: IBM
  • Assignee: Ibm
  • Current Assignee: Ibm
  • Priority: US56785644 1944-12-12
Plugboard
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