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Application filed by Politechnika Slaska Im WincentfiledCriticalPolitechnika Slaska Im Wincent
Priority to PL20441578ApriorityCriticalpatent/PL204415A1/pl
Publication of PL204415A1publicationCriticalpatent/PL204415A1/pl
PL20441578A1978-02-011978-02-01Sposob zmniejszenia zuzycia oraz oporow ruchu w ukladzie szyna-kolo jezdne,zwlaszcza kolejek kopalnianych
PL204415A1
(pl)