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
Application filed by Eduard Wiesner & Bruder, Fischer WilhelmfiledCriticalEduard Wiesner & Bruder
Application grantedgrantedCritical
Publication of AT7051BpublicationCriticalpatent/AT7051B/de