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 DE2611916Aexternal-prioritypatent/DE2611916C2/en
Priority claimed from DE19762611972external-prioritypatent/DE2611972C2/en
Application filed by W MengefiledCriticalW Menge
Publication of DK119277ApublicationCriticalpatent/DK119277A/en