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Patents > CPCs : CPC B64C23/005 or CPC B64F2700/6219 & Number of claims: 3

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airplane (17) · propulsion (11) · helicopter (8) · None (7) · propeller (7) · hybrid (7) · frame (6) · navigation (6) · stability (5) · design (5) · wheels (4) · propellers (4) · whole (3) · lift (3) · ascension (3) · wings (3)
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Showing below up to 38 results in range #1 to #38.

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