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
Priority claimed from AT164987Dexternal-prioritypatent/AT164987B/de
Application filed by Karl OehrenederfiledCriticalKarl Oehreneder
Application grantedgrantedCritical
Publication of AT173174BpublicationCriticalpatent/AT173174B/de