Home / Standards / GB/T 33839-2017 GB/T 33839-2017 Active Methods of transmission electron microscope for biological specimen containing carbon nanomaterials involving biological effect 基于生物效应含碳基纳米材料生物样品的透射电子显微镜检测方法 Standard Type GBT ICS 71.040.40 CCS G04 Status 现行 Issue Date 2017-05-31 Implementation 2018-04-01 Responsible Dept 国家标准委 Drafting Unit N/A