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Priority claimed from FR8113991Aexternal-prioritypatent/FR2509673A1/fr
Priority claimed from FR8211064Aexternal-prioritypatent/FR2529145A2/fr
Application filed by TubautofiledCriticalTubauto
Priority claimed from EP19820401287external-prioritypatent/EP0071499B1/de
Application grantedgrantedCritical
Publication of ATE15782T1publicationCriticalpatent/ATE15782T1/de