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Patents > Patent agent : Dupont et Elluin or Haseltine, Lake & Co. & Number of text pages: 1-2 & Number of figures: 2-3

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control (8) · airplane (8) · frame (6) · LTA (5) · Propellers (4) · propulsion (3) · subsystem (3) · suspension (3) · Design (3) · equilibrium (3) · construction (3) · Steering (2) · lift (2) · landing (2) · sustentation (2) · Parachutes (2) · envelope (2)
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CPCs:
CPC B64C3/00 (4) · CPC B64C17/00 (3) · CPC B64C13/00 (3) · CPC B64C2700/6235 (3) · CPC B64C39/00 (2) · CPC B64C25/62 (2) · CPC B64C2700/6256 (2) · CPC B64C2700/6295 (2) · CPC B64B1/58 (2) · CPC B64C1/00 (2)
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