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Priority claimed from EP84105672Aexternal-prioritypatent/EP0144494A1/en
Application filed by Pietzsch Ludwig Gmbh & CofiledCriticalPietzsch Ludwig Gmbh & Co
Priority claimed from EP85106025Aexternal-prioritypatent/EP0166168B1/en
Application grantedgrantedCritical
Publication of ATE33425T1publicationCriticalpatent/ATE33425T1/en