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Patents > Inventors : Antoine-Padoue Filippi or Robert Esnault-Pelterie & National tech categories : FR 6.4 or None & Number of text pages: 2

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airplane (38) · frame (17) · wings (16) · lift (14) · construction (14) · wing warping (13) · design (10) · landing (10) · stability (9) · sustentation (9) · chassis (9) · aerodynamics (8) · wheels (6) · propulsion (5) · automatic stability (5) · elasticity (4) · fuselage (4) · control (4)
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