Home / Standards / GB/T 17456.2-2010 GB/T 17456.2-2010 Abolished Ductile iron pipes - External zinc coating - Part 2: Zinc rich paint with finishing layer 球墨铸铁管外表面锌涂层 第2部分：带终饰层的富锌涂料涂层 Standard Type GBT ICS 77.140.75 CCS H48 Status 废止 Issue Date 2011-01-10 Implementation 2011-10-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A