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Patents > CPCs : CPC B64C11/001 or CPC B64C35/00 & Number of claims: 7-70

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hydroaeroplane (20) · marine (14) · hydroplane (10) · Frame (9) · Hydro-aeroplane (8) · flying boat (7) · hybrid (7) · None (7) · airplane (7) · design (6) · Construction (5) · Fuselage (4) · wings (3) · Biplane (3) · propulsion (3) · landing (3) · hydroaeroplanes (3) · floats (3)
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