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Patents > Patent agent: E. Blétry & Number of text pages: 3-70

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stability (10) · Airplane (10) · design (7) · wings (6) · aerodynamics (6) · propulsion (5) · propellers (5) · subsystem (4) · automatic stability (4) · LTA (4) · sustentation (3) · None (3) · lift (3)
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