KS M ISO 12980:2013 Carbonaceous materials used in the production of aluminium-Green coke and calcined coke for electrodes-Analysis using an X-ray fluorescence method
2013KS M ISO 12980:2013 Carbonaceous materials used in the production of aluminium-Green coke and calcined coke for electrodes-Analysis using an X-ray fluorescence method
0000 KS M ISO 12980-2004(2009)
2004KS M ISO 12980:2004 Carbonaceous materials used in the production of aluminium-Green coke and calcined coke for electrodes-Analysis using an X-ray fluorescence method