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Application filed by Karol Trubac, Milan Hronec, Jan Sventek, Vlastimil Suchanek, Milos Revus, Alfred Runa, Olga Krupova, Svetozar FlochfiledCriticalKarol Trubac
Priority to CS738575ApriorityCriticalpatent/CS181998B1/en
Publication of CS181998B1publicationCriticalpatent/CS181998B1/en