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Patents > IPCs: IPC B64C39/00 & First filing: Yes & Number of claims: 2-4 & Number of diagram pages: 2-3

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airplane (9) · propulsion (7) · Wings (6) · Frame (5) · design (5) · None (5) · Propellers (4) · stability (4) · construction (4) · subsystem (3) · LTA (3) · aerodynamics (3) · automatic stability (2) · biplane (2) · HTA (2) · Control (2) · aeroplanes (2)
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