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Patents > Grant date: February 1913 & Number of diagram pages: 2-9

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airplane (10) · frame (8) · propeller (6) · stability (5) · rudder (5) · propulsion (5) · wings (3) · takeoff (3) · control (3) · navigation (3) · whole (2) · wheels (2) · subsystem (2) · propellers (2) · parachute (2) · LTA (2) · None (2) · design (2) · construction (2) · car (2)
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