Drilldown: Patents

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Patents > Inventor country : GB or RO & CPCs : CPC B64C2700/6212 or CPC B64C33/02

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None (22) · Stability (7) · flapping (5) · control (5) · propulsion (5) · frame (4) · Design (4) · Pendulum (4) · heavier-than-air (4) · balance (3) · propeller (3) · automatic stability (3) · ornithopter (3) · helicopter (3) · aerodynamics (3) · propellers (3)
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Showing below up to 49 results in range #1 to #49.

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