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Priority claimed from FR8217879Aexternal-prioritypatent/FR2535144B1/en
Priority claimed from FR8310047Aexternal-prioritypatent/FR2547694B2/en
Application filed by Professional General ElectfiledCriticalProfessional General Elect
Priority claimed from EP19830402071external-prioritypatent/EP0109876B1/en
Application grantedgrantedCritical
Publication of ATE26507T1publicationCriticalpatent/ATE26507T1/en