Home / Standards / GB/T 39251-2020 GB/T 39251-2020 Active Additive manufacturing—Methods to characterize performance of metal powders 增材制造 金属粉末性能表征方法 Standard Type GBT ICS 25.030;77.160 CCS H70 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