Drilldown: Patents

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Patents > Publication date: 1900 - 1999 & CPCs : CPC B64C3/385 or CPC B64C35/00 & Number of claims: 4-12

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airplane (16) · design (11) · Hydroplane (8) · Hydroaeroplane (7) · stability (6) · wings (5) · Frame (5) · landing (5) · Hybrid (4) · lift (4) · aerodynamics (4) · fuselage (4) · sustentation (4) · elasticity (3) · None (3) · construction (3) · control (3)
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