Home / Standards / GB/T 39687-2020 GB/T 39687-2020 Active Testing method for drying loss of fine ceramic powders 精细陶瓷粉体干燥损失测试方法 Standard Type GBT ICS 81.040.10 CCS Q32 Status 现行 Issue Date 2020-12-14 Implementation 2021-07-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A