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Application filed by Marian Ing Csc Jezek, Lucian Ing Duba, Pavol Ing Csc Klucovsky, Ivan Ing Dzugan, Jan Ing Cerny, Vaclav Ing Malecek, Viktor Ing UhlarikfiledCriticalMarian Ing Csc Jezek
Priority to CS881777ApriorityCriticalpatent/CS263599B1/en
Publication of CS177788A1publicationCriticalpatent/CS177788A1/en
Publication of CS263599B1publicationCriticalpatent/CS263599B1/en