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Application filed by Tejral Miroslav, Stanislav Novotny, Jaroslav Novotny, Zdenek JanakfiledCriticalTejral Miroslav
Priority to CS841918ApriorityCriticalpatent/CS239899B1/cs
Publication of CS191884A1publicationCriticalpatent/CS191884A1/cs
Publication of CS239899B1publicationCriticalpatent/CS239899B1/cs