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Patents > IPCs : IPC B64C17/04 or IPC B64C35/00 & Number of diagram pages: 2-10

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hydroaeroplane (21) · airplane (15) · design (9) · Construction (8) · frame (8) · marine (7) · hydroplane (7) · None (7) · landing (6) · fuselage (6) · flying boat (5) · hybrid (5) · chassis (4) · wings (3) · hydroplanes (3) · takeoff (3) · Hydro-aeroplane (3)
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