Home / Standards / GB/T 32973-2016 GB/T 32973-2016 Active Technical specification for hot charging and hot delivery of semi-closed arc furnace 半封闭矿热炉炉料热装热送技术规范 Standard Type GBT ICS 77.140.99 CCS H04 Status 现行 Issue Date 2016-08-29 Implementation 2017-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A