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Priority claimed from DE19863601239external-prioritypatent/DE3601239A1/en
Priority claimed from DE19863604133external-prioritypatent/DE3604133A1/en
Application filed by Schloemann Siemag AgfiledCriticalSchloemann Siemag Ag
Priority claimed from EP87100220Aexternal-prioritypatent/EP0233460B1/en
Application grantedgrantedCritical
Publication of ATE63241T1publicationCriticalpatent/ATE63241T1/en