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Patents > IPCs: IPC B64C33/02 & Number of diagram pages: 3-20000000

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flapping (13) · ornithopter (9) · navigation (7) · propulsion (6) · None (5) · LTA (5) · hybrid (5) · frame (5) · wings (5) · design (3) · Whole (3) · landing (3) · HTA (2) · airplane (2) · propeller (2) · Heavier-than-air (2) · rudder (2) · orthopter (2) · stability (2) · clutch (2)
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Showing below up to 36 results in range #1 to #36.

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