Drilldown: Patents

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Patents > National tech categories : AT 77d or DK 63 & Number of claims: None

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airplane (15) · frame (12) · subsystem (9) · wings (6) · design (6) · propulsion (6) · propellers (6) · LTA (6) · stability (5) · construction (5) · flapping (5) · aerodynamics (4) · control (4) · whole (4) · propeller (4) · wheels (3) · Airship (3) · navigation (3)
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Showing below up to 35 results in range #1 to #35.

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