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Patents > Supplementary to patent : Patent US-1913-04-21 George Raymond Lawrence or None & IPCs: IPC B64C17/00

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stability (208) · airplane (150) · automatic stability (93) · design (47) · control (45) · None (42) · aerodynamics (31) · wings (29) · equilibrium (26) · frame (20) · pendulum (17) · subsystem (16) · construction (13) · rudder (13) · Propellers (11) · Lift (11) · balance (11)
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None (62) · None (30) · Armengaud jeune (13) · J. Bonnet-Thirion (8) · Charles Dony (8) · E. Blétry (8) · Lavoix et Mosès (6) · Hippolyte Josse (6) · P. Follin (5) · J. Germain (5) · Paul Coulomb (4) · Schwab (4) · Matray frères et Cie (4) · L. Chassevent (4) · Weismann et Marx (4)
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