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Invention Grant
US2000236A Card feeding and handling device 失效
卡片送料和处理装置

  • Patent Title: Card feeding and handling device
  • Patent Title (中): 卡片送料和处理装置
  • Application No.: US61990332
    Application Date: 1932-06-29
  • Publication No.: US2000236A
    Publication Date: 1935-05-07
  • Inventor: LAKE CLAIR D
  • Applicant: IBM
  • Assignee: Ibm
  • Current Assignee: Ibm
  • Priority: US61990332 1932-06-29
Card feeding and handling device
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