Home / Standards / GB/T 28294 GB/T 28294 Active Iron and steel slag composite materials 钢铁渣复合料 Standard Type GBT ICS 77.140.99 CCS H34 Status 现行 Issue Date 2024-06-29 Implementation 2025-01-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会