Home / Standards / GB/T 38904-2020 GB/T 38904-2020 Active Methods for elemental analysis of ceramic liquid pigments 陶瓷液体色料元素含量测定分析方法 Standard Type GBT ICS 81.060.10 CCS Q31 Status 现行 Issue Date 2020-06-02 Implementation 2021-05-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A