Drilldown: Patents

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Patents > CPCs: CPC B64C23/005 & Number of text pages: 3-5 & Number of claims: 1-2

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Airplane (11) · None (9) · propulsion (9) · propellers (6) · frame (5) · design (5) · helicopter (5) · stability (5) · Ascension (4) · propeller (4) · Hybrid (4) · construction (4) · navigation (4) · LTA (4) · control (3) · Sustentation (3)
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