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Patents > Inventors : Alfred E. Wunderlich or Louis-Ferdinand Ferber

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propellers (48) · airplane (47) · hybrid (38) · LTA (34) · Rarefaction (10) · propulsion (9) · sustentation (8) · ascension (7) · None (5) · helicopter (4) · wings (3) · stability (3) · design (3) · frame (3)
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Showing below up to 71 results in range #1 to #71.

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