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 DES105544Dexternal-prioritypatent/DE650761C/de
Application filed by Siemens AgfiledCriticalSiemens Ag
Application grantedgrantedCritical
Publication of DK50727CpublicationCriticalpatent/DK50727C/da