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Priority claimed from DE2217698Aexternal-prioritypatent/DE2217698A1/de
Application filed by Basf AgfiledCriticalBasf Ag
Priority to DK514174ApriorityCriticalpatent/DK134254C/da
Publication of DK514174ApublicationCriticalpatent/DK514174A/da
Publication of DK134254BpublicationCriticalpatent/DK134254B/da
Application grantedgrantedCritical
Publication of DK134254CpublicationCriticalpatent/DK134254C/da