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Patents > CPCs : CPC B63H8/10 or CPC B64C39/005 & Number of figures: 8-10

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Propulsion (12) · Airplane (8) · propeller (7) · navigation (7) · frame (6) · LTA (5) · flapping (5) · None (4) · hybrid (4) · helicopter (4) · stability (3) · Design (3) · Sustentation (2) · marine (2) · Lift (2) · wings (2) · airfoil (2) · aerodynamics (2) · Ascension (2)
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