Home / Standards / GB/T 37254-2018 GB/T 37254-2018 Active High purity silicon carbide—Determination of trace elements 高纯碳化硅 微量元素的测定 Standard Type GBT ICS 71.040.50 CCS A43 Status 现行 Issue Date 2018-12-28 Implementation 2019-09-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A