Home / Standards / GB/T 15547-2012 GB/T 15547-2012 Abolished Blanks of forged steel rolls for cold rolling mill 锻钢冷轧辊辊坯 Standard Type GBT ICS 77.180 CCS H94 Status 废止 Issue Date 2012-11-05 Implementation 2013-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A