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Priority claimed from FR8101913Aexternal-prioritypatent/FR2498511B1/en
Priority claimed from FR8123323Aexternal-prioritypatent/FR2517585A2/en
Application filed by Marcel RamondfiledCriticalMarcel Ramond
Priority claimed from EP82420006Aexternal-prioritypatent/EP0058125B1/en
Application grantedgrantedCritical
Publication of ATE8474T1publicationCriticalpatent/ATE8474T1/en