Home / Standards / GB/T 42156-2023 GB/T 42156-2023 Active 3D printing equipment for casting sand mould—General technical specification 铸造砂型3D打印设备 通用技术规范 Standard Type GBT ICS 25.120.30 CCS J61 Status 现行 Issue Date 2023-03-17 Implementation 2023-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A