Home / Standards / GB/T 18907 GB/T 18907 Active Microbeam analysis - Analytical electron microscopy - Selected-area electron diffraction analysis using a transmission electron microscope 微束分析 分析电子显微术 透射电镜选区电子衍射分析方法 Standard Type GBT ICS 71.040.50 CCS G04 Status 现行 Issue Date 2013-07-19 Implementation 2014-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委