Home / Standards / GB/T 34568-2017 GB/T 34568-2017 Active Iron ores for blast furnace and direct reduction feedstocks-Determination of bulk density 高炉和直接还原用铁矿石 体积密度的测定 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2017-10-14 Implementation 2018-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A