Home / Standards / GB/T 24733-2023 GB/T 24733-2023 Active Austempered ductile iron (ADI) castings 等温淬火球墨铸铁件 Standard Type GBT ICS 77.080.10 CCS J31 Status 现行 Issue Date 2023-09-07 Implementation 2023-09-07 Responsible Dept 国家标准委 Drafting Unit N/A