Drilldown: Patents

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Patents > Inventor country: AT & National tech categories : AT 77d or FR 6.4 & IPCs : IPC B64B1/62 or None

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airplane (41) · Frame (18) · Design (16) · Construction (14) · Wings (13) · Propellers (9) · subsystem (9) · propulsion (9) · Chassis (8) · military (7) · wheels (7) · stability (7) · flapping (6) · landing (6) · biplane (6) · Tragfläche (5) · propeller (5) · Aerodynamics (5) · Control (5)
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