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Application filed by Karel Bures, Ladislav Tmej, Jan Sila, Emil Dolejsi, Jiri Bezdicek, Frantisek Musil, Kabrt KarelfiledCriticalKarel Bures
Priority to CS876173ApriorityCriticalpatent/CS265392B1/cs
Publication of CS617387A1publicationCriticalpatent/CS617387A1/cs
Publication of CS265392B1publicationCriticalpatent/CS265392B1/cs