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
Application filedfiledCritical
Priority to NL6809267ApriorityCriticalpatent/NL6809267A/xx
Priority to BE718179Dprioritypatent/BE718179A/xx
Priority to DE19696925132prioritypatent/DE6925132U/de
Priority to FR6922014Aprioritypatent/FR2012067A1/fr
Publication of NL6809267ApublicationCriticalpatent/NL6809267A/xx