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Application filed by Jiri Zufnicek, Jiri Simanek, Arnost Stepanek, Miroslav Kustka, Jaroslav Vodsedalek, Jan ZacherfiledCriticalJiri Zufnicek
Priority to CS16681ApriorityCriticalpatent/CS222329B1/cs
Publication of CS222329B1publicationCriticalpatent/CS222329B1/cs