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Patents > Office : BE or RU & Inventor country: FR & Application number: None & First filing: None

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airplane (13) · propellers (11) · design (9) · LTA (7) · propulsion (7) · control (5) · subsystem (5) · frame (4) · HTA (3) · dirigibles (3) · rigid (3) · Flapping (3) · aerodynamics (3) · ascension (3)
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Showing below up to 41 results in range #1 to #41.

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