Drilldown: Patents

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Patents > Patent agent : Clem A. Hack or None & Number of claims: 2

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airplane (11) · Propulsion (5) · stability (5) · Construction (4) · frame (4) · propellers (4) · None (3) · Aerodynamics (3) · Kite (3) · military (3) · Sustentation (3) · control (3) · projectile (3)
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