Home / Standards / GB 31335-2024 GB 31335-2024 Active Norm of the energy consumption per unit production of iron ore mining and dressing 铁矿开采和选矿单位产品能源消耗限额 Standard Type GB ICS 27.010 CCS F01 Status 现行 Issue Date 2024-04-29 Implementation 2025-05-01 Responsible Dept 国家标准委 Drafting Unit N/A