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Priority claimed from FR7913298Aexternal-prioritypatent/FR2456704A2/fr
Priority claimed from FR8003533Aexternal-prioritypatent/FR2476050B2/fr
Application filed by Edouard SingerfiledCriticalEdouard Singer
Priority claimed from EP19800440001external-prioritypatent/EP0019574B1/de
Application grantedgrantedCritical
Publication of ATE6417T1publicationCriticalpatent/ATE6417T1/de