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Patents > Publication date: 1909 & CPCs : CPC B64C23/005 or CPC B64F2700/6296

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Hybrid (8) · None (7) · Propulsion (7) · Airplane (7) · Ascension (6) · Helicopter (6) · Design (6) · Propellers (5) · LTA (3) · Lift (3) · Sustentation (3) · Control (3) · Frame (3)
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Showing below up to 23 results in range #1 to #23.

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