Home / Standards / GB/T 31562-2024 GB/T 31562-2024 Active Foundry machinery—Determination method of cleanliness 铸造机械 清洁度测定方法 Standard Type GBT ICS 25.120.30 CCS J 61 Status 现行 Issue Date 2024-09-29 Implementation 2025-04-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A