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 DE1900130413Dexternal-prioritypatent/DE130413C/de
Application filed by Perkiewicz Fa MfiledCriticalPerkiewicz Fa M
Application grantedgrantedCritical
Publication of AT11994BpublicationCriticalpatent/AT11994B/de
