Home / Standards / GB/T 28044-2011 GB/T 28044-2011 Active General rules for transmission electron microscopy detection methods for biological effects of nanomaterials 纳米材料生物效应的透射电子显微镜检测方法通则 Standard Type GBT ICS 71.040.99 CCS C40 Status 现行 Issue Date 2020-12-14 Implementation 2012-02-01 Responsible Dept N/A Drafting Unit N/A