Home / Standards / GB/T 28369-2012 GB/T 28369-2012 Active Ferroalloys - Experimental methods for the evaluation of the quality variation and methods for checking the precision of sampling 铁合金 评价品质波动和检查取样精度的试验方法 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 中国钢铁工业协会