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Priority claimed from FR8612802Aexternal-prioritypatent/FR2603853B1/fr
Priority claimed from FR8709840Aexternal-prioritypatent/FR2617785B1/fr
Application filed by Alsthom GecfiledCriticalAlsthom Gec
Priority claimed from EP19870402020external-prioritypatent/EP0260200B1/de
Application grantedgrantedCritical
Publication of ATE63507T1publicationCriticalpatent/ATE63507T1/de