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 DE1902137269Dexternal-prioritypatent/DE137269C/de
Application filed by Boldt & Vogel FafiledCriticalBoldt & Vogel Fa
Application grantedgrantedCritical
Publication of AT14074BpublicationCriticalpatent/AT14074B/de