Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Cites these patents: None & Number of diagram pages: 2-8 & Number of figures: 4-5

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airplane (11) · construction (7) · frame (6) · design (6) · wings (5) · propellers (4) · None (4) · lift (3) · aerodynamics (3) · helicopter (3) · fuselage (2) · sustentation (2) · propulsion (2) · propeller (2) · blades (2) · landing (2) · hybrid (2) · control (2)
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