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Priority claimed from FR8206475Aexternal-prioritypatent/FR2525131A1/en
Priority claimed from FR8304718Aexternal-prioritypatent/FR2543031B2/en
Application filed by Creusot LoirefiledCriticalCreusot Loire
Priority claimed from EP83400746Aexternal-prioritypatent/EP0092477B1/en
Application grantedgrantedCritical
Publication of ATE16362T1publicationCriticalpatent/ATE16362T1/en