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Application filed by Jaroslav Jirousek, Josef Halama, Jiri Novak, Ludvik Polivka, Rudolf Vosahla, Frantisek BulicekfiledCriticalJaroslav Jirousek
Priority to CS229976ApriorityCriticalpatent/CS194337B1/cs
Publication of CS194337B1publicationCriticalpatent/CS194337B1/cs