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Patents > CPCs: CPC B64C39/003

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None (12) · propulsion (8) · airplane (7) · design (6) · propellers (6) · wings (5) · Frame (4) · Whole (4) · hybrid (3) · flapping (3) · propeller (3) · construction (2) · Sustentation (2) · subsystem (2) · rudder (2) · navigation (2) · ornithopter (2) · Ascension (2)
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Showing below up to 33 results in range #1 to #33.

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