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Priority claimed from DE19853502158external-prioritypatent/DE3502158A1/en
Priority claimed from DE19853504929external-prioritypatent/DE3504929A1/en
Application filed by Kessler Friedrich & CofiledCriticalKessler Friedrich & Co
Priority claimed from EP85905815Aexternal-prioritypatent/EP0203949B1/en
Application grantedgrantedCritical
Publication of ATE40086T1publicationCriticalpatent/ATE40086T1/en