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Patents > Inventors : Alfred E. Wunderlich or Alfred John Macy or Pierre Pons & Applicant type : COMPANY+INDIV or INDIV & Applicant is inventor: Yes

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stability (24) · propellers (15) · airplane (13) · Rarefaction (10) · sustentation (8) · control (7) · Ascension (7) · propulsion (7) · hybrid (6) · navigation (5) · helicopter (4) · design (3)
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