Home / Standards / GB/T 36704-2018 GB/T 36704-2018 Active Iron ore concentrate 铁精矿 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2018-09-17 Implementation 2019-06-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A