Home / Standards / GB/T 39303-2020 GB/T 39303-2020 Active General technical specification for pre-treatment of microorganism samples in wastewater treatment system 废水处理系统微生物样品前处理通用技术规范 Standard Type GBT ICS 19.020;07.100.01 CCS G76 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