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Patents > Office : AH or DEG or FR or RU & Applicant firm: None & IPCs : IPC B64C3/00 or IPC B64C33/02 or IPC B64C39/00 & Number of claims: 7-8

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airplane (9) · design (5) · frame (5) · sustentation (3) · wings (3) · construction (3) · flapping (3) · heavier-than-air (3) · None (2) · propulsion (2) · ornithopter (2) · nervure (2) · stability (2) · military (2) · metal (2) · landing (2) · HTA (2) · wheels (2) · parachute (2)
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Showing below up to 22 results in range #1 to #22.

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