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Priority claimed from DE19722250823external-prioritypatent/DE2250823B1/de
Publication of NO761759LpublicationCriticalpatent/NO761759L/no
Application filed by Wasagchemie AgfiledCriticalWasagchemie Ag
Priority to NO76761759ApriorityCriticalpatent/NO136247C/no
Publication of NO136247BpublicationCriticalpatent/NO136247B/no
Publication of NO136247CpublicationCriticalpatent/NO136247C/no