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 DE1906185260Dexternal-prioritypatent/DE185260C/de
Application filed by Fr Gebauer FafiledCriticalFr Gebauer Fa
Application grantedgrantedCritical
Publication of AT31484BpublicationCriticalpatent/AT31484B/de