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Patents > Office : ES or FR or IN & IPCs: IPC B64C39/00

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Tech fields:
Airplane (144) · design (93) · propulsion (51) · frame (51) · propellers (48) · None (47) · Wings (45) · construction (44) · stability (39) · aerodynamics (37) · Lift (29) · sustentation (26) · control (26) · Whole (21) · rudder (20) · fuselage (19) · chassis (17) · navigation (16) · heavier-than-air (16) · landing (15)
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Supplementary to patent:
None (189) · Patent FR-1910-414004 (2) · Patent FR-1913-461629 (2) · Patent FR-1908-394418 (2) · Patent FR-1908-396470 (2) · Patent FR-1912-441089 (2) · Patent FR-1909-403418 (2) · Patent FR-1902-326476 (2)
Related to aircraft:
Patent agent:
None (46) · None (27) · Armengaud jeune (23) · J. Bonnet-Thirion (13) · J. Germain (10) · Weismann et Marx (9) · E. Blétry (9) · Boramé et Julien (8) · Y. Rabilloud et fils (8) · Brandon frères (7) · Dupont et Elluin (7) · G. de Mestral et F. Harle (6) · L. Chassevent (6) · Charles Assi (6) · C. Blétry (5) · Ch. Mardelet (5) · Chassevent (5) · G. Petiau (4) · Société A. Frey et de Carsalade (4) · Lavoix et Mosès (4)
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