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Title Process for tetrahedrite ore treatment Author Baláž Peter 1947 SAVGEOTE - Ústav geotechniky SAV Co-authors Sekula Felix SAVGEOTE - Ústav geotechniky SAV Jusko F. Koči Michal Dugas V. Lauko L. Issue data Košice : Ústav Geotechniky SAV , 1994. - Prihláška vynálezu 7.7.1994 Category AGJ - Patent applications, utility model applications, design applications, trademark applications, applications for granting supplementary protection certificate, applications for registration of topographies of semiconductor products, designations of origin applications, geographical indications of goods and products applications, breeder's certificate applications Year 1994