Home / Standards / GB/T 13241-2017 GB/T 13241-2017 Active Iron ores—Determination of reducibility 铁矿石 还原性的测定方法 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2017-09-07 Implementation 2018-06-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A