Home / Standards / SN/T 5499-2023 SN/T 5499-2023 Active 矿产品中滑石含量的测定 X射线衍射全谱拟合法 Standard Type SN ICS N/A CCS N/A Status Active Issue Date 2023-05-05 Implementation 2023-12-01 Centralized Committee 海关总署 Issuing Authority 海关总署