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Patents > IPCs : IPC B64C13/00 or IPC B64C17/00 & Number of text pages: 2-3

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stability (241) · airplane (220) · automatic stability (103) · control (97) · design (66) · None (51) · aerodynamics (50) · wings (44) · steering (38) · rudder (38) · Frame (37) · equilibrium (34) · subsystem (30) · construction (28) · navigation (17) · pendulum (16) · lift (16) · balance (15) · aileron (15) · wing warping (14)
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None (274) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1910-415470 (3) · Patent FR-1912-442419 (3) · Patent DE-1911-11-16 Otto Albin Budig (3)
Related to aircraft:
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None (73) · Armengaud jeune (30) · None (18) · E. Blétry (12) · Weismann et Marx (10) · Marks & Clerk (9) · Charles Dony (9) · Haseltine, Lake & Co. (9) · J. Bonnet-Thirion (8) · P. Follin (8) · Abel & Imray (7) · J. Germain (7) · Lavoix et Mosès (6) · Herbert Haddan & Co. (6) · H. Boettcher fils (6) · Boult, Wade & Tennant (6) · Brierley & Howard (5) · J. Fayollet (5) · Hippolyte Josse (5) · Brandon frères (5)
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