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Patents > Applicant person : Antoine-Padoue Filippi or Gustav Mees or US & Number of diagram pages: 1

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propellers (19) · stability (11) · airplane (11) · propulsion (10) · hybrid (9) · design (8) · propeller (7) · gyroscope (7) · subsystem (6) · Aerodynamics (5) · marine (5) · helicopter (5) · frame (5) · takeoff (5) · airfoil (4) · wheels (4) · ascension (4) · hydroplane (4)
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