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Priority claimed from FR7826807Aexternal-prioritypatent/FR2436681A1/en
Priority claimed from FR7921053Aexternal-prioritypatent/FR2463685A2/en
Application filed by Pierre DenisefiledCriticalPierre Denise
Priority claimed from EP79400632Aexternal-prioritypatent/EP0010016B1/en
Application grantedgrantedCritical
Publication of ATE571T1publicationCriticalpatent/ATE571T1/en