Drilldown: Patents

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Patents > IPCs : IPC B64C3/54 or IPC B64C31/06 & Citations from after 1930: None & Number of figures: 2-4

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airplane (14) · kite (14) · design (11) · frame (10) · Wings (9) · aerodynamics (8) · lift (8) · sustentation (6) · kites (6) · Construction (5) · stability (5) · Control (5) · Rudder (4) · None (4) · propellers (3) · propulsion (3) · whole (3) · Steering (3) · parachute (3)
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