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Patents > Year filed: 1913 & Patent agent : Armengaud jeune or L. Chassevent or Weismann et Marx

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Tech fields:
airplane (19) · Design (14) · frame (13) · LTA (10) · construction (9) · aerodynamics (7) · propellers (7) · stability (7) · military (5) · Motors (5) · Dirigibles (5) · safety (5) · fuselage (4) · landing (4) · automatic stability (4) · wings (4) · hydroplane (4)
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CPCs:
CPC B64B1/00 (6) · CPC B64C17/00 (6) · CPC B64C35/00 (5) · CPC B64C11/04 (3) · CPC B64C2700/6214 (2) · CPC B64C11/36 (2) · CPC B64F2700/6261 (2) · CPC B64D1/04 (2)
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