Home / Standards / GB/T 30453-2013 GB/T 30453-2013 Active Metallographs collection for original defects of crystalline silicon 硅材料原生缺陷图谱 Standard Type GBT ICS 29.045 CCS H80 Status 现行 Issue Date 2013-12-31 Implementation 2014-10-01 Responsible Dept 国家标准委 Drafting Unit N/A