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Patents > CPCs : CPC B64C17/00 or CPC B64C3/00 & Number of figures: 2-4

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stability (155) · airplane (148) · automatic stability (75) · design (58) · frame (51) · None (45) · construction (44) · wings (39) · Aerodynamics (31) · control (28) · subsystem (27) · equilibrium (22) · fuselage (21) · Lift (15) · rudder (14) · cables (14) · navigation (12) · pendulum (10) · biplane (9)
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None (207) · Patent US-1908-989022 (3) · Patent US-1908-1077750 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1911-446282 (3)
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None (75) · Armengaud jeune (12) · None (12) · Marks & Clerk (9) · E. Blétry (7) · Haseltine, Lake & Co. (7) · J. Germain (6) · Lavoix et Mosès (6) · Hippolyte Josse (6) · Herbert Haddan & Co. (6) · Abel & Imray‎ (5) · Charles Dony (5) · Dupont et Elluin (5) · C. Baumann (5) · Société A. Frey et de Carsalade (4) · Weismann et Marx (4)
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