KS D 0044-2014 Methods of sampling for chemical analysis of ferroalloys[(3) ferrophosphorus, manganese metal, silicon metal, chromium metal, calcium silicon and ferroboron]
2014KS D 0044-2014 Methods of sampling for chemical analysis of ferroalloys[(3) ferrophosphorus, manganese metal, silicon metal, chromium metal, calcium silicon and ferroboron]
1987KS D 0044-1987 Methods of Sampling for Chemical Analysis of Ferroalloys [(3) Ferrophosphorus, Manganese Metal, Silicon Metal,Chromium Metal, Calcium Silicon and Ferroboron]