Drilldown: Patents

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Patents > Granted: Yes & CPCs: CPC B64C39/00 & Number of text pages: 5-6

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airplane (13) · design (10) · stability (10) · frame (8) · Wings (7) · propellers (7) · None (6) · Lift (5) · construction (5) · Propulsion (4) · hybrid (4) · marine (3) · control (3) · automatic stability (3) · navigation (3) · fuselage (3) · gyroscope (3)
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