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Patents > Year granted: 1912 & CPCs: CPC B64C2700/6295 & Number of figures: 3-20

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None (2) · Spencer MacDougal Brown (2) · Maurice-Émile Primard (2)
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None (3) · Spencer MacDougal Brown (2) · Maurice-Émile Primard (2)
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None (15) · airplane (15) · frame (8) · design (8) · wings (7) · construction (6) · aerodynamics (5) · Lift (4) · propulsion (4) · Rudder (4) · Fuselage (4) · stability (4) · control (4) · propellers (4) · Chassis (4) · wheels (3) · whole (3)
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