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Patents > CPCs : CPC B64C27/18 or CPC B64C35/00 & Number of figures: 8-40

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hydroaeroplane (14) · hydroplane (8) · design (7) · construction (6) · Airplane (6) · marine (5) · None (4) · takeoff (4) · fuselage (4) · frame (4) · hybrid (4) · biplane (3) · landing (3) · wheels (3) · propulsion (3) · hydroaeroplanes (3)
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