KS D ISO 4552-1-2003(2018) Ferroalloys-Sampling and sample preparation for chemical analysis-Part 1:Ferrochromium, ferrosilicochromium, ferrosilicon, ferrosilicomanganese, ferromanganese
2003KS D ISO 4552-1:2003 Ferroalloys-Sampling and sample preparation for chemical analysis-Part 1:Ferrochromium, ferrosilicochromium, ferrosilicon, ferrosilicomanganese, ferromanganese