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Priority claimed from DE2155284Aexternal-prioritypatent/DE2155284A1/de
Application filed by Basf AgfiledCriticalBasf Ag
Priority to DK689374ApriorityCriticalpatent/DK133925C/da
Publication of DK689374ApublicationCriticalpatent/DK689374A/da
Publication of DK133925BpublicationCriticalpatent/DK133925B/da
Application grantedgrantedCritical
Publication of DK133925CpublicationCriticalpatent/DK133925C/da