Home / Standards / GB/T 15344-2020 GB/T 15344-2020 Active Methods for physical test of talc 滑石物理检验方法 Standard Type GBT ICS 73.080 CCS Q64 Status 现行 Issue Date 2020-03-31 Implementation 2021-02-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A