Home / Standards / GB/T 39331-2020 GB/T 39331-2020 Active Additive manufacturing—Overview of data processing 增材制造 数据处理通则 Standard Type GBT ICS 25.030 CCS J07 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