Home / Standards / GB/T 27788-2011 GB/T 27788-2011 Abolished Microbeam analysis - Scanning electron microscopy - Guidelines for calibrating image magnification 微束分析 扫描电镜 图像放大倍率校准导则 Standard Type GBT ICS 37.020 CCS N32 Status 废止 Issue Date 2011-12-30 Implementation 2012-08-01 Responsible Dept 国家标准委 Drafting Unit N/A