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 DE1900119905Dexternal-prioritypatent/DE119905C/de
Application filed by Hugo BurgmannfiledCriticalHugo Burgmann
Application grantedgrantedCritical
Publication of AT7565BpublicationCriticalpatent/AT7565B/de