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Application filed by Hubacek Milan, Brozek Vlastimil, Josef BronecfiledCriticalHubacek Milan
Priority to CS874015ApriorityCriticalpatent/CS260744B1/en
Publication of CS401587A1publicationCriticalpatent/CS401587A1/en
Publication of CS260744B1publicationCriticalpatent/CS260744B1/en