Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR8027374Aexternal-prioritypatent/FR2496853B1/en
Priority claimed from FR8122636Aexternal-prioritypatent/FR2517815B1/en
Application filed by Air IndustriefiledCriticalAir Industrie
Priority claimed from EP81402014Aexternal-prioritypatent/EP0055175B1/en
Application grantedgrantedCritical
Publication of ATE7957T1publicationCriticalpatent/ATE7957T1/en