Home / Standards / GB/T 4930-2008 GB/T 4930-2008 Abolished Microbeam analysis - Electron probe microanalysis - Guidelines for the specification of certified reference materials (CRMs) 微束分析 电子探针分析 标准样品技术条件导则 Standard Type GBT ICS 71.040.30;71.040.99 CCS A65 Status 废止 Issue Date 2008-04-11 Implementation 2008-10-01 Responsible Dept 国家标准委 Drafting Unit N/A