Home / Standards / GB/T 21508-2025 GB/T 21508-2025 Active Performance test method for coal-fired flue gas desulphurization equipment 燃煤烟气脱硫设备性能测试方法 Standard Type GBT ICS 13.020.40 CCS J 88 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A