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Application filed by Ladislav Ing Macko, Jozef Ing Csc Prokes, Pavel Ing Gresik, Frantisek Ing HouzvickafiledCriticalLadislav Ing Macko
Priority to CS839309ApriorityCriticalpatent/CS248459B1/en
Publication of CS930983A1publicationCriticalpatent/CS930983A1/en
Publication of CS248459B1publicationCriticalpatent/CS248459B1/en