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Application filed by Vesely Ivan, Miroslav Ing Spacek, Drahonovsky Jan, Stanek Jan, Votava Vladimir, Palecek Jaroslav, Mostecky JirifiledCriticalVesely Ivan
Priority to CS862615ApriorityCriticalpatent/CS255172B1/en
Publication of CS261586A1publicationCriticalpatent/CS261586A1/en
Publication of CS255172B1publicationCriticalpatent/CS255172B1/en