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Patents > Office : DE or FR & Applicant firm : Société anonyme Astra AB or Établissements de Dion-Bouton or None & Publication date: 1912 & CPCs: CPC B64C39/00 & Family year: 1900 - 1999 & First filing: No & Citations from after 1930: None

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airplane (13) · design (10) · Construction (5) · frame (5) · aerodynamics (4) · chassis (4) · propellers (4) · wings (3) · fuselage (3) · Lift (3) · control (3) · propulsion (3) · monoplane (2) · landing (2) · piloting (2) · parachutes (2) · Rudder (2)
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