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Patents > IPCs : IPC B64C3/52 or IPC B64C33/02 & Number of claims: 2

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airplane (8) · propulsion (7) · None (6) · flapping (6) · wings (5) · design (4) · navigation (4) · airfoil (4) · construction (3) · subsystem (3) · lift (2) · wing warping (2) · sustentation (2) · rudder (2) · Propellers (2) · LTA (2) · ornithopter (2) · control (2) · frame (2)
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Showing below up to 29 results in range #1 to #29.

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