Home / Standards / GB/T 45751-2025 GB/T 45751-2025 Active Additive manufacturing—Process classification and coding 增材制造 工艺分类和编码 Standard Type GBT ICS 25.030 CCS J07 Status 现行 Issue Date 2025-05-30 Implementation 2025-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A