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Application filed by Horyna Jaroslav, Chmatal Vladimir, Gorgon Oldrich, Josef ZivanskyfiledCriticalHoryna Jaroslav
Priority to CS818805ApriorityCriticalpatent/CS241259B1/en
Publication of CS880581A1publicationCriticalpatent/CS880581A1/en
Publication of CS241259B1publicationCriticalpatent/CS241259B1/en