Drilldown: Patents

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Patents > Publication date: 1900 - 1999 & CPCs: CPC B64C2700/6218 & Citations from after 1930: None & Number of text pages: 5-11

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airplane (22) · stability (21) · automatic stability (13) · design (9) · wings (6) · lift (6) · Equilibrium (6) · propellers (5) · aerodynamics (4) · landing (3) · frame (3) · electricity (3) · control (3) · sustentation (3) · chassis (3) · construction (2) · wheels (2) · instrument (2) · gyroscope (2) · takeoff (2)
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