Home / Standards / GB/T 39855-2021 GB/T 39855-2021 Active Definition ,classification and nomenclature of nanotechnology products 纳米产品的定义、分类与命名 Standard Type GBT ICS 01.040.07 CCS A20 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 中国科学院 Drafting Unit N/A