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 Hendrikus Pieter WiegelfiledCriticalHendrikus Pieter Wiegel
Priority to GR520114700ApriorityCriticalpatent/GR14700B/el
Publication of GR14700BpublicationCriticalpatent/GR14700B/el