Home / Standards / GB/T 46072-2025 GB/T 46072-2025 Active Additive manufacturing of polymers—Qualification principles—General principles and preparation of test specimens for PBF-LB 聚合物增材制造 鉴定原则 激光粉末床熔融试样的一般原则和制备 Standard Type GBT ICS 25.030 CCS G 31 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A