Home / Standards / GB/T 39247-2020 GB/T 39247-2020 Active Additive manufacturing—Specification for heat treatment process of metal parts 增材制造 金属制件热处理工艺规范 Standard Type GBT ICS 25.030 CCS J36 Status 现行 Issue Date 2020-11-19 Implementation 2021-06-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A