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Patents > IPCs: None & CPCs: CPC B64C23/005 & Number of figures: 1-4

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propulsion (13) · navigation (9) · propeller (8) · helicopter (6) · None (5) · airplane (5) · frame (3) · parachute (3) · LTA (3) · hybrid (3) · ascension (3) · marine (2) · wheels (2) · propellers (2) · stability (2)
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Showing below up to 27 results in range #1 to #27.

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