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Patents > CPCs: CPC B64C39/00 & First filing: No & Number of claims: 5-20

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airplane (13) · frame (10) · stability (9) · design (7) · propulsion (7) · construction (7) · propellers (6) · None (5) · wings (5) · lift (5) · hybrid (4) · marine (4) · aerodynamics (3) · gyroscope (3) · wheels (3) · navigation (3)
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Showing below up to 27 results in range #1 to #27.

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