Home / Standards / GB/T 34211-2017 GB/T 34211-2017 Active Iron ores—Method for determination of iron reduction softening drippinger performance under load 铁矿石 高温荷重还原软熔滴落性能测定方法 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