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 DE19691917602external-prioritypatent/DE1917602A1/de
Priority claimed from DE19691962091external-prioritypatent/DE1962091A1/de
Application filedfiledCritical
Publication of NL7004835ApublicationCriticalpatent/NL7004835A/xx