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Application filed by Zak Bohumil, Vesely Ivan, Dolansky Vladimir, Miloslav Ing Cerny, Palecek Jaroslav, Kubelka Vladislav, Mostecky JirifiledCriticalZak Bohumil
Priority to CS846037ApriorityCriticalpatent/CS239797B1/en
Publication of CS603784A1publicationCriticalpatent/CS603784A1/en
Publication of CS239797B1publicationCriticalpatent/CS239797B1/en