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Patents > IPCs : IPC B64C19/00 or IPC B64C33/02 & Number of figures: 4-6

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None (2) · Jean Coupleux (2)
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None (8) · Jean Coupleux (2)
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Propulsion (11) · flapping (11) · wings (10) · Design (6) · frame (6) · None (6) · ornithopter (5) · whole (5) · LTA (5) · airplane (5) · navigation (5) · wing (4) · steering (4) · stability (4) · lift (3) · aerodynamics (3) · Propellers (3) · hybrid (3) · subsystem (3)
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