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Patents > Office : AT or GB or MX & Inventor country: AT & National tech categories : AT 77d or GB 4 propelling

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Tech fields:
airplane (45) · frame (21) · design (17) · construction (15) · Wings (13) · propellers (9) · Chassis (8) · wheels (8) · Tragfläche (8) · Subsystem (8) · Propulsion (8) · biplane (7) · military (7) · Flapping (7) · propeller (6) · Stability (6) · Aerodynamics (6) · Landing (6)
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Showing below up to 71 results in range #1 to #71.

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