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 DE1898110428Dexternal-prioritypatent/DE110428C/de
Application filed by Louis HermsdorffiledCriticalLouis Hermsdorf
Application grantedgrantedCritical
Publication of AT3400BpublicationCriticalpatent/AT3400B/de