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Application filed by Stibranyi Ladislav, Svitek Ivan, Macak Martin, Jan SabovcikfiledCriticalStibranyi Ladislav
Priority to CS885386ApriorityCriticalpatent/CS271740B1/en
Publication of CS538688A1publicationCriticalpatent/CS538688A1/en
Publication of CS271740B1publicationCriticalpatent/CS271740B1/en