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Application filed by Mladek Milos, Ladislav Pirkl, Ladislav Bures, Tesar Oldrich, Skala Josef, Stanislav Kabele, Blasko Michal, Jaroslav Limbersky, Safar VaclavfiledCriticalMladek Milos
Priority to CS857093ApriorityCriticalpatent/CS253049B1/en
Publication of CS709385A1publicationCriticalpatent/CS709385A1/en
Publication of CS253049B1publicationCriticalpatent/CS253049B1/en