Home / Standards / GB/T 25049-2010 GB/T 25049-2010 Abolished Ferronickel 镍铁 Standard Type GBT ICS 77.100 CCS H42 Status 废止 Issue Date 2010-09-02 Implementation 2011-06-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A