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Patents > Office: FR & Filing date: April 1912 & Number of diagram pages: 1

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airplane (16) · design (10) · wings (5) · stability (5) · frame (5) · automatic stability (4) · cables (4) · construction (4) · sustentation (3) · subsystem (3) · Lift (3) · longerons (3) · aeroplane construction (2) · propellers (2) · parachute (2) · rudder (2) · whole (2) · landing (2) · aerodynamics (2)
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Showing below up to 27 results in range #1 to #27.

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