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Invention Grant
US3211399A Aircraft driven or borne by a plurality of hydraulic motors with substantially equal or proportional rotary velocity 失效
由多个液压马达驱动或由基本相等或成比例的旋转速度承载的飞机

  • Patent Title: Aircraft driven or borne by a plurality of hydraulic motors with substantially equal or proportional rotary velocity
  • Patent Title (中): 由多个液压马达驱动或由基本相等或成比例的旋转速度承载的飞机
  • Application No.: US31026363
    Application Date: 1963-09-20
  • Publication No.: US3211399A
    Publication Date: 1965-10-12
  • Inventor: KARL EICKMANN
  • Applicant: KARL EICKMANN
  • Assignee: Eickmann Karl
  • Current Assignee: Eickmann Karl
  • Priority: US31026363 1963-09-20
  • Main IPC: B64D35/02
  • IPC: B64D35/02 ;  B64C11/00 ;  B64C27/12 ;  B64C29/00
Aircraft driven or borne by a plurality of hydraulic motors with substantially equal or proportional rotary velocity
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