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Patents > Patent agent : Brandon frères or Dupont et Elluin & Citations from after 1930: None & Number of text pages: 1-2

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Tech fields:
airplane (18) · design (8) · Frame (7) · LTA (6) · construction (6) · propellers (5) · subsystem (4) · Control (4) · Stability (3) · Parachutes (3) · Navigation (3) · lift (3) · hydroaeroplane (3) · fuselage (3) · None (3) · aerodynamics (3)
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IPCs:
IPC B64D17/00 (5) · IPC B64C3/56 (3) · IPC B64C1/00 (3) · IPC B64B1/00 (3) · IPC B64C35/00 (3) · IPC B64C3/00 (3) · IPC B64C25/62 (2) · IPC B64C11/14 (2) · IPC B64C11/20 (2) · IPC B64C39/00 (2) · IPC B64C17/00 (2)
CPCs:
CPC B64D17/00 (4) · CPC B64C39/00 (3) · CPC B64C3/56 (3) · CPC B64C3/00 (3) · CPC B64C2700/6295 (3) · CPC B64C2700/6235 (3) · CPC B64C17/00 (2) · CPC B64B1/00 (2) · CPC B64C2700/6256 (2) · CPC B64C25/62 (2) · CPC B64C2700/6218 (2) · CPC B64C11/205 (2) · CPC B64C13/00 (2) · CPC B64C11/14 (2)
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