Home / Standards / GB/T 47193-2026 GB/T 47193-2026 Upcoming Technical specification for application of backfilling used steel slag for mine rehabilitation 矿山修复回填用钢渣应用技术规范 Standard Type GBT ICS 77.140.99 CCS H34 Status 即将实施 Issue Date 2026-02-27 Implementation 2026-09-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A