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Patents > Year granted: 1912 & IPCs : IPC B64C23/00 or IPC B64C35/00

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airplane (9) · None (6) · Hydroplane (6) · frame (5) · helicopter (5) · hybrid (4) · amerrissage (3) · seaplane (3) · chassis (3) · lift (3) · Control (3) · design (3) · landing (3) · Steering (2) · Shock-absorbers (2) · rudder (2) · Ascension (2) · hydroaeroplane (2) · wings (2) · buoyancy (2)
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Showing below up to 29 results in range #1 to #29.

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