Home / Standards / GB/T 16477.1-2010 GB/T 16477.1-2010 Abolished Chemical analysis methods of rare-earth ferrosilicon alloy and rare-earth ferrosilicon magnesium alloy - Part 1: Determination of total rare earth content 稀土硅铁合金及镁硅铁合金化学分析方法 第1部分:稀土总量的测定 Standard Type GBT ICS 77.120.99 CCS H14 Status 废止 Issue Date 2011-01-14 Implementation 2011-11-01 Responsible Dept 国家标准委 Drafting Unit N/A