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Patents > Office: FR & Filing date: December 1908

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None (2) · Léon Dufour (2) · Pierre-Georges Unné (2) · Georges-Henri-Marius Canton (2)
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Pierre-Georges Unné (2) · Léon Dufour (2) · Georges-Henri-Marius Canton (2)
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Tech fields:
Airplane (17) · Design (13) · None (9) · LTA (8) · Stability (7) · Propulsion (7) · propellers (7) · frame (7) · Wings (7) · Aerodynamics (5) · Rudder (5) · Sustentation (5) · navigation (4) · Lift (4) · Control (4) · Ascension (3) · construction (3) · Equilibrium (3) · Subsystem (3)
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