ISO 6998:1997现行
Carbonaceous materials for the production of aluminium - Pitch for electrodes - Determination of coking value
出版：International Organization for Standardization
专家解读视频
SS ISO 6998 Ed. 1 (1993) - Similar
NF ISO 6998:1986 - Similar
DIN 51905 (1981-06) - Identical
BS 6043-1.6:1998 - Equivalent
KS M ISO 6998:2003 - Identical
NBN T 03 483:1988 - Similar
BS 6043-1-1.6:1984 - Similar
KS M ISO 6998:2013 - Identical
