
ZINC INGOTS
出版:International Organization for Standardization

专家解读视频
This International Standard contains five grades of zinc recognized in worldwide commerce.
NBN P 31 001 : 1981 - Identical
NFA 55 101 : 1984 - Similar to
UNE 37301 : 1988 - Identical
BS 3436(1986) : 1986 - Similar to
NFA 55 111 : 1995 - Similar to