Drilldown: Patents

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Patents > Office: FR & Related to aircraft : Yes or None & IPCs: IPC B64C23/00

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airplane (32) · design (18) · hybrid (16) · propulsion (15) · propellers (14) · ascension (13) · helicopter (12) · construction (10) · wings (9) · frame (8) · control (8) · Sustentation (7) · Lift (7) · stability (6) · parachutes (6) · heavier-than-air (5) · None (5) · descent (4) · aerodynamics (4) · Cables (4)
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None (2)
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Showing below up to 51 results in range #1 to #51.

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