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Patents > Year filed: 1913 & Office: FR & Patent agent : Dupont et Elluin or E. Blétry or J. Germain or None & Number of text pages: 1-2

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airplane (7) · control (5) · Wings (3) · Fuselage (3) · Frame (3) · construction (2) · stability (2) · Design (2) · Propellers (2) · automatic stability (2) · Aerodynamics (2)
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