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 Siemens AgfiledCriticalSiemens Ag
Application grantedgrantedCritical
Publication of AT105637BpublicationCriticalpatent/AT105637B/de
AT105637D1922-05-051925-12-28Signalanlage, die durch die aufeinanderfolgende Befahrung von drei Schienenkontakten durch einen Zug betätigt wird.
AT105637B
(de)