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 Schenk Hans, Walter Dipl Ing Dr SprungfiledCriticalSchenk Hans
Priority to AT338758ApriorityCriticalpatent/AT202270B/de
Application grantedgrantedCritical
Publication of AT202270BpublicationCriticalpatent/AT202270B/de