Home / Standards / GB/T 15247-2008 GB/T 15247-2008 Active Microbeam analysis - Electron probe microanalysis - Guidelines for determining the carbon content of steels using calibration curve method 微束分析 电子探针显微分析 测定钢中碳含量的校正曲线法 Standard Type GBT ICS 17.180.30 CCS N33 Status 现行 Issue Date 2008-08-20 Implementation 2009-04-01 Responsible Dept 国家标准委 Drafting Unit N/A