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Priority claimed from DE19742452249external-prioritypatent/DE2452249B2/de
Application filed by Streuber Sulo Eisenwerk FfiledCriticalStreuber Sulo Eisenwerk F
Publication of ATA837075ApublicationCriticalpatent/ATA837075A/de
Application grantedgrantedCritical
Publication of AT341951BpublicationCriticalpatent/AT341951B/de