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 filed by Paulus Aloysius MertensfiledCriticalPaulus Aloysius Mertens
Priority to BE601809ApriorityCriticalpatent/BE601809A/fr
Publication of BE601809ApublicationCriticalpatent/BE601809A/fr