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Priority claimed from DE19843430897external-prioritypatent/DE3430897C1/en
Priority claimed from DE19853513995external-prioritypatent/DE3513995A1/en
Priority claimed from DE19853520892external-prioritypatent/DE3520892A1/en
Application filed by Josef OsterfiledCriticalJosef Oster
Priority claimed from EP85110461Aexternal-prioritypatent/EP0173236B1/en
Application grantedgrantedCritical
Publication of ATE51672T1publicationCriticalpatent/ATE51672T1/en