Home / Standards / GB 21256-2013 GB 21256-2013 Active The norm of energy consumption per unit product of major individual-process of crude steel manufacturing process 粗钢生产主要工序单位产品能源消耗限额 Standard Type GB ICS 27.010 CCS F01 Status 现行 Issue Date 2013-10-10 Implementation 2014-10-01 Responsible Dept 国家标准委 Drafting Unit N/A