Home / Standards / GB/T 18249-2000 GB/T 18249-2000 Active Ferroalloys--Experimental methods for checking the bias of sampling and sample preparation 检查铁合金取样和制样偏差的试验方法 Standard Type GBT ICS 77.100 CCS H42 Status 现行 Issue Date 2000-10-25 Implementation 2001-09-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A