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Patents > Office : AU or HU & Number of claims: 13-30

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Airplane (15) · design (10) · whole (9) · frame (7) · wings (6) · Stability (5) · safety (5) · Aerodynamics (4) · heavier-than-air (4) · Automatic stability (3) · flapping (3) · equilibrium (3) · Propulsion (3) · Propellers (3) · construction (3) · parachute (3)
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Showing below up to 27 results in range #1 to #27.

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