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Application filed by Frantisek Bouchal, Milos Kunka, Karel Kolar, Frantisek Skvara, Zdenek Zadak, Jaroslav Novotny, Josef ZezulkafiledCriticalFrantisek Bouchal
Priority to CS440478ApriorityCriticalpatent/CS194892B1/cs
Publication of CS194892B1publicationCriticalpatent/CS194892B1/cs