Home / Standards / GB/T 21637-2008 GB/T 21637-2008 Active Method of morphological identification of coronavirus by using transmission electron microscopy 冠状病毒透射电子显微镜形态学鉴定方法 Standard Type GBT ICS 71.040.99;11.100 CCS N53 Status 现行 Issue Date 2008-04-11 Implementation 2008-10-01 Responsible Dept 国家标准委 Drafting Unit N/A