Home / Standards / GB/T 42522-2023 GB/T 42522-2023 Active Testing method for static air leakage rate of iron ore sintering system 铁矿烧结系统静态漏风率检测方法 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2023-05-23 Implementation 2023-12-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A