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Application filed by Jaroslav Dobrovolny, Milan Franta, Vlastimil Chvatal, Vaclav Mokris, Miroslav Sirsch, Milan SynekfiledCriticalJaroslav Dobrovolny
Priority to CS506773ApriorityCriticalpatent/CS191423B1/cs
Publication of CS191423B1publicationCriticalpatent/CS191423B1/cs