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Priority claimed from DE2217722Aexternal-prioritypatent/DE2217722C2/de
Application filed by Basf AgfiledCriticalBasf Ag
Priority to DK681874ApriorityCriticalpatent/DK135142C/da
Publication of DK681874ApublicationCriticalpatent/DK681874A/da
Publication of DK135142BpublicationCriticalpatent/DK135142B/da
Application grantedgrantedCritical
Publication of DK135142CpublicationCriticalpatent/DK135142C/da
