Drilldown: Patents

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Patents > Inventor country : FR or NL & Applicant firm: None & IPCs : IPC B64C33/00 or IPC B64C9/00

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airplane (9) · flapping (8) · stability (6) · wings (6) · ornithopter (6) · propulsion (5) · aerodynamics (4) · lift (4) · whole (4) · construction (4) · design (3) · frame (3) · navigation (3) · subsystem (3) · cables (2) · rudder (2) · Heavier-than-air (2) · toy (2) · hybrid (2)
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Showing below up to 35 results in range #1 to #35.

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