Home / Standards / GB/T 5682-2015 GB/T 5682-2015 Active Ferroboron 硼铁 Standard Type GBT ICS 77.100 CCS H42 Status 现行 Issue Date 2015-09-11 Implementation 2016-06-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A