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 Geza FischerfiledCriticalGeza Fischer
Priority to BE584720ApriorityCriticalpatent/BE584720A/nl
Publication of BE584720ApublicationCriticalpatent/BE584720A/nl