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

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hydroaeroplane (14) · None (11) · marine (10) · hydroplane (9) · flying boat (7) · frame (7) · Hydro-aeroplane (6) · Hybrid (5) · construction (5) · biplane (3) · floats (3) · propulsion (3) · airplane (3) · wings (3) · design (3)
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