Drilldown: Patents

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Patents > Filing date: 1900 - 1909 & Full specification filed date: 1909 & Application number: None & Related to aircraft : 0? or 1911-07-04 or Yes or `1 or Other & Number of text pages: 2-3

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propulsion (5) · None (4) · frame (4) · subsystem (4) · navigation (4) · wings (4) · airplane (4) · propellers (3) · propeller (3) · landing (3) · hybrid (2) · control (2) · car (2) · electricity (2) · takeoff (2) · safety (2)
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