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Application filed by Arnost Prof Ing Csc Pokorny, Anna Ing Plchova, Jindrich Ing VeleckyfiledCriticalArnost Prof Ing Csc Pokorny
Priority to CS86132ApriorityCriticalpatent/CS253615B1/en
Publication of CS13286A1publicationCriticalpatent/CS13286A1/en
Publication of CS253615B1publicationCriticalpatent/CS253615B1/en