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 DE1905177857Dexternal-prioritypatent/DE177857C/de
Application filed by Krupp AgfiledCriticalKrupp Ag
Application grantedgrantedCritical
Publication of AT27533BpublicationCriticalpatent/AT27533B/en