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Patents > National tech categories: FR 6.4 & CPCs : CPC B64C2700/6212 or CPC B64C39/00

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Tech fields:
airplane (152) · stability (79) · design (73) · frame (46) · None (41) · control (36) · construction (34) · automatic stability (33) · propellers (33) · aerodynamics (32) · wings (30) · propulsion (26) · lift (25) · Subsystem (17) · whole (17) · steering (16) · chassis (15) · Rudder (15)
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Supplementary to patent:
None (184) · Patent FR-1908-396249 (4) · Patent FR-1913-461629 (2) · Patent FR-1908-394418 (2) · Patent FR-1910-414004 (2) · Patent FR-1912-441089 (2) · Patent FR-1908-396470 (2)
Related to aircraft:
Patent agent:
None (39) · None (24) · Armengaud jeune (16) · J. Germain (11) · J. Bonnet-Thirion (10) · E. Blétry (10) · L. Chassevent (8) · Matray frères et Cie (7) · Lavoix et Mosès (7) · Boramé et Julien (7) · Brandon frères (7) · Charles Dony (6) · Weismann et Marx (6) · G. Petiau (6) · Y. Rabilloud et fils (6) · Schwab (5) · Dupont et Elluin (5)
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