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Application filed by Cech Miloslav, Ladislav Nestrojil, Jaroslav Stepanek, Frantisek MalachfiledCriticalCech Miloslav
Priority to CS849540ApriorityCriticalpatent/CS242085B1/en
Publication of CS954084A1publicationCriticalpatent/CS954084A1/en
Publication of CS242085B1publicationCriticalpatent/CS242085B1/en