Home / Standards / GB/T 37041-2018 GB/T 37041-2018 Active Fine barite powder 精细重晶石粉 Standard Type GBT ICS 73.080 CCS Q69 Status 现行 Issue Date 2018-12-28 Implementation 2019-11-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A