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Publication date
Priority claimed from DE19762607970external-prioritypatent/DE2607970C3/de
Priority claimed from DE19762640346external-prioritypatent/DE2640346C2/de
Priority claimed from DK83477Aexternal-prioritypatent/DK143889C/da
Application filed by Rheinisches Zinkwalzwerk GmbhfiledCriticalRheinisches Zinkwalzwerk Gmbh
Priority to DK87681ApriorityCriticalpatent/DK87681A/da
Publication of DK87681ApublicationCriticalpatent/DK87681A/da