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Application filed by Kacin Jan, Petr Ing Csc Duchek, Miloslava Ing Ottova, Ludmila Ing Herdova, Sebek Vladimir, Miloslav Ing Hladecek, Zdenek Ing EngelthalerfiledCriticalKacin Jan
Priority to CS872123ApriorityCriticalpatent/CS259640B1/en
Publication of CS212387A1publicationCriticalpatent/CS212387A1/en
Publication of CS259640B1publicationCriticalpatent/CS259640B1/en