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Application filed by Fric Otto, Fekete Michal, Belan VladimirfiledCriticalFric Otto
Priority to CS874741ApriorityCriticalpatent/CS263397B1/en
Publication of CS474187A1publicationCriticalpatent/CS474187A1/en
Publication of CS263397B1publicationCriticalpatent/CS263397B1/en