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 Polskie Koleje PanstwowefiledCriticalPolskie Koleje Panstwowe
Priority to PL19691377ApriorityCriticalpatent/PL102073B1/pl
Publication of PL196913A1publicationCriticalpatent/PL196913A1/pl
Publication of PL102073B1publicationCriticalpatent/PL102073B1/pl