
Zinc ingots
出版:International Organization for Standardization

专家解读视频
NBN P 31 001:1981 - Identical
GB/T 470-2008 - Modified
BS 3436:1986 - Similar
NFA 55 101:1984 - Similar
JIS H 2107:1999 - Equivalent
KS D ISO 752:2011 - Identical
UNE 37301:1988 - Identical
KS D ISO 752:2013 - Identical