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Patents > Grant date: 1912 & IPCs : IPC B64B1/40 or IPC B64C39/00 & CPCs: CPC B64C2700/6295 & First filing: Yes

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airplane (6) · None (4) · wings (4) · aeroplane (4) · chassis (3) · design (3) · whole (3) · frame (2) · propellers (2) · propulsion (2) · construction (2) · control (2) · fuselage (2) · aerodynamics (2) · stability (2)
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