Drilldown: Patents

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Patents > IPCs : IPC B64C39/00 or None & CPCs: CPC B64C39/003

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None (12) · Propulsion (8) · airplane (7) · design (6) · Propellers (6) · Wings (5) · frame (4) · Whole (4) · flapping (3) · propeller (3) · hybrid (3) · construction (2) · Ascension (2) · rudder (2) · navigation (2) · Sustentation (2) · subsystem (2)
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Showing below up to 32 results in range #1 to #32.

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