Home / Standards / GB/T 46639.5-2025 GB/T 46639.5-2025 Active Foundry machinery—Vocabulary—Part 5: Cupola furnaces and pouring devices and ladles 铸造机械 术语 第5部分:冲天炉、浇注设备和浇包 Standard Type GBT ICS 25.120.30 CCS J61 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