Home / Standards / GB/T 33815-2017 GB/T 33815-2017 Active Technical specification for wastewater treatment of iron ore mining and mineral processing enterprises 铁矿石采选企业污水处理技术规范 Standard Type GBT ICS 77 CCS H04 Status 现行 Issue Date 2017-05-31 Implementation 2018-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A