Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19712100376external-prioritypatent/DE2100376B2/de
Priority claimed from NO497171Aexternal-prioritypatent/NO133314C/no
Publication of NO744469LpublicationCriticalpatent/NO744469L/no
Application filed by Goldschmidt Ag ThfiledCriticalGoldschmidt Ag Th