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Patents > Filing date: 1912 & IPCs : IPC B64C3/56 or IPC B64C35/00

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airplane (20) · hydroplane (12) · frame (12) · design (12) · wings (9) · hydroaeroplane (9) · chassis (7) · construction (7) · landing (5) · hybrid (5) · wheels (4) · fuselage (4) · folding (4) · None (4) · assembly (3) · rudder (3) · floats (3) · amerrissage (3)
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