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Patents > Inventor country: FR & Family year: 1909 & Number of figures: 11-40

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airplane (23) · wings (15) · Design (14) · construction (12) · frame (9) · stability (8) · None (7) · Aerodynamics (7) · whole (7) · Propellers (6) · navigation (5) · lift (5) · Subsystem (5) · Flapping (4) · flexibility (4)
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