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Patents > Inventors : Alfred E. Wunderlich or Charles Arthur Wragg & Inventor country : AU or BE

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airplane (54) · propellers (48) · hybrid (38) · LTA (35) · Rarefaction (10) · camber (9) · wings (8) · propulsion (8) · sustentation (8) · airfoil (8) · ascension (7) · speed (6) · lift (5) · helicopter (4) · design (4) · wing (3)
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