Home / Standards / GB/T 28372-2012 GB/T 28372-2012 Active Ferroalloys - Sampling and preparation of samples-General rules 铁合金 取样和制样总则 Standard Type GBT ICS 77.100 CCS H42 Status 现行 Issue Date 2012-05-11 Implementation 2013-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A