Home / Standards / GB/T 35021-2018 GB/T 35021-2018 Abolished Additive manufacturing—Process categories and feedstock 增材制造 工艺分类及原材料 Standard Type GBT ICS 25.030 CCS J04 Status 废止 Issue Date 2018-05-14 Implementation 2019-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A