Drilldown: Patents

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Patents > Publication date: 1900 - 1999 & CPCs : CPC B64C3/385 or CPC B64C35/00 & Number of claims: 2-4

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airplane (25) · design (22) · hydroaeroplane (15) · frame (13) · Wings (13) · hydroplane (11) · Aerodynamics (10) · landing (7) · lift (6) · control (6) · construction (6) · Stability (6) · buoyancy (6) · takeoff (6) · marine (5) · Sustentation (5) · wheels (5) · chassis (4) · Subsystem (4)
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