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Application filed by Jakab Vojtech, Dusn Ing Kollarik, Zsigo ZoltanfiledCriticalJakab Vojtech
Priority to CS868322ApriorityCriticalpatent/CS257840B1/cs
Publication of CS832286A1publicationCriticalpatent/CS832286A1/cs
Publication of CS257840B1publicationCriticalpatent/CS257840B1/cs