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Priority claimed from FR8808132Aexternal-prioritypatent/FR2632917A1/en
Priority claimed from FR8813016Aexternal-prioritypatent/FR2637246B1/en
Application filed by Anf IndfiledCriticalAnf Ind
Priority claimed from EP89907768Aexternal-prioritypatent/EP0420922B1/en
Application grantedgrantedCritical
Publication of ATE100389T1publicationCriticalpatent/ATE100389T1/en