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Priority claimed from DE2217698Aexternal-prioritypatent/DE2217698A1/de
Application filed by Basf AgfiledCriticalBasf Ag
Priority to DK513974ApriorityCriticalpatent/DK134252B/da
Publication of DK513974ApublicationCriticalpatent/DK513974A/da
Publication of DK134252BpublicationCriticalpatent/DK134252B/da