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Patents > IPCs : IPC B64C35/00 or IPC B64D27/00 & Number of text pages: 4-5

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hydroaeroplane (8) · construction (7) · Airplane (6) · marine (5) · hydro-aeroplane (5) · None (5) · hydroplane (4) · fuselage (4) · hydroaeroplanes (3) · propellers (3) · hybrid (2) · landing (2) · design (2) · floats (2) · flotation (2) · frame (2) · hull (2)
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