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Application filed by Jindrich Kraus, Krystufek Jiri, Jana Machalova, Jan Ing Rehak, Vlastimil Spelda, Zdenek TumafiledCriticalJindrich Kraus
Priority to CS864410ApriorityCriticalpatent/CS259476B1/en
Priority to DD30290587Aprioritypatent/DD274749A3/en
Publication of CS441086A1publicationCriticalpatent/CS441086A1/en
Publication of CS259476B1publicationCriticalpatent/CS259476B1/en