Home / Standards / GB/T 28371-2012 GB/T 28371-2012 Active Ferroalloys - Experimental methods for checking the precision of sample division 铁合金 检查样品缩分精度的试验方法 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