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 DE1904212641Dexternal-prioritypatent/DE212641C/de
Application filed by Rudolph Koepp & Co FafiledCriticalRudolph Koepp & Co Fa
Application grantedgrantedCritical
Publication of AT44374BpublicationCriticalpatent/AT44374B/de