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Patents > Office: HU & Grant date: 1913 & Number of text pages: 2-3

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Airplane (26) · design (12) · subsystem (11) · frame (10) · construction (10) · propellers (7) · aerodynamics (6) · stability (6) · Wings (6) · chassis (4) · LTA (3) · Airship (3) · Automatic stability (3) · Propulsion (3) · lift (3) · Fuselage (2) · gliders (2) · Flapping (2) · Wheels (2) · launching (2)
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