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Application filed by Karel Bures, Ladislav Tmej, Jan Sila, Emil Dolejsi, Frantisek Musil, Jiri Bezdicek, Kabrt KarelfiledCriticalKarel Bures
Priority to CS875309ApriorityCriticalpatent/CS262248B1/en
Publication of CS530987A1publicationCriticalpatent/CS530987A1/en
Publication of CS262248B1publicationCriticalpatent/CS262248B1/en