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 DE1899140479Dexternal-prioritypatent/DE140479C/de
Application filed by Eduard PohlfiledCriticalEduard Pohl
Application grantedgrantedCritical
Publication of AT16197BpublicationCriticalpatent/AT16197B/de