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 DE1900121325Dexternal-prioritypatent/DE121325C/de
Application filed by Wilhelm ZeyerfiledCriticalWilhelm Zeyer
Application grantedgrantedCritical
Publication of AT7487BpublicationCriticalpatent/AT7487B/de
