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Patents > Office : AT or NL & Filing date: 1912

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Airplane (15) · Construction (7) · Propulsion (7) · Frame (7) · Design (6) · Aerodynamics (5) · Propellers (5) · wings (5) · wheels (4) · stability (4) · chassis (3) · LTA (3) · whole (3) · Airship (3) · projectile (3) · Parachutes (3) · military (3) · Flapping (3)
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Showing below up to 39 results in range #1 to #39.

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