Drilldown: Patents

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Patents > Office: AT & Inventor country : AT or ES & Granted: Yes & National tech categories : AT 77d or FR 6.3

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airplane (44) · frame (20) · Design (16) · construction (14) · wings (12) · Propellers (9) · wheels (8) · Tragfläche (8) · subsystem (8) · Propulsion (8) · Chassis (8) · military (7) · flapping (7) · aerodynamics (6) · stability (6) · propeller (6) · Landing (6) · biplane (6)
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