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Priority claimed from DE2217698Aexternal-prioritypatent/DE2217698A1/de
Application filed by Basf AgfiledCriticalBasf Ag
Priority to DK514074ApriorityCriticalpatent/DK134253B/da
Publication of DK514074ApublicationCriticalpatent/DK514074A/da
Publication of DK134253BpublicationCriticalpatent/DK134253B/da