Home / Standards / GB/T 39284-2020 GB/T 39284-2020 Active Treatment and disposal method for filter sludge from magnesium sulfate production process 硫酸镁生产滤泥的处理处置方法 Standard Type GBT ICS 13.030.10 CCS Z05 Status 现行 Issue Date 2020-11-19 Implementation 2021-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A