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Patents > Office : AT or AU or IT & Number of text pages: 2-3 & Number of claims: 4-6

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airplane (23) · frame (17) · propulsion (12) · propeller (8) · Design (7) · stability (7) · Construction (7) · marine (6) · Parachutes (5) · Aerodynamics (5) · propellers (4) · navigation (4) · Motors (4) · landing (4) · LTA (4) · chassis (4) · Wings (4) · wheels (4)
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