Invention Grant
US3194729A Suction box top 失效
吸箱顶

  • Patent Title: Suction box top
  • Patent Title (中): 吸箱顶
  • Application No.: US14693561
    Application Date: 1961-10-23
  • Publication No.: US3194729A
    Publication Date: 1965-07-13
  • Inventor: ROBINSON DAVID E
  • Applicant: TIME INC
  • Assignee: Time Inc
  • Current Assignee: Time Inc
  • Priority: US14693561 1961-10-23
  • Main IPC: D21F1/52
  • IPC: D21F1/52
Suction box top
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