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Patents > Patent agent : Dupont et Elluin or None or None & CPCs: CPC B64C2700/6295

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None (338) · Airplane (46) · frame (33) · Design (25) · stability (25) · Construction (16) · rudder (13) · propulsion (12) · navigation (11) · aerodynamics (10) · wheels (9) · propeller (9) · aeroplane (8) · propellers (8) · Fuselage (8) · airfoil (7) · Control (6) · wings (6)
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None (263) · FR 6.4 (45) · USPC 244/45R (32) · USPC 244/13 (19) · USPC 244/91 (6) · USPC 244/90R (6) · USPC 244/119 (5) · USPC 244/87 (4) · USPC 244/48 (4) · USPC 244/113 (3) · USPC 244/144 (3) · USPC 244/100R (3) · USPC 244/139 (3) · DE 77h.5 (3) · USPC 244/903 (2) · USPC 244/233 (2) · USPC 244/104R (2) · USPC 244/46 (2) · USPC 244/133 (2) · CPC B 64C39/00 (2)
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