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Application filed by Ladislav Ing Szoecs, Marian Prom Chem Zajac, Mikulas Ing Buday, Pavol Ing Dano, Uhlar Jan, Eva Ing Kohutova, Waradzin WalterfiledCriticalLadislav Ing Szoecs
Priority to CS855394ApriorityCriticalpatent/CS255372B1/en
Publication of CS539485A1publicationCriticalpatent/CS539485A1/en
Publication of CS255372B1publicationCriticalpatent/CS255372B1/en