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Patents > Office : CU or IN or MX or Other or None & Inventor country : FR or HU & Filing date: 1909 & IPCs : IPC B64C23/00 or IPC B64C33/02 & Number of diagram pages: 1-2

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propulsion (9) · airplane (9) · Design (8) · ascension (7) · wings (5) · propellers (5) · helicopter (5) · Hybrid (4) · Construction (4) · frame (4) · steering (4) · ornithopter (3) · lift (3) · flapping (3) · sustentation (3) · Chassis (3)
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Showing below up to 21 results in range #1 to #21.

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