Home / Standards / GB/T 45849-2025 GB/T 45849-2025 Active Technical specification of qualification for metal powder bed fusion machines 金属粉末床熔融成形机床鉴定技术规范 Standard Type GBT ICS 25.080.99 CCS J59 Status 现行 Issue Date 2025-08-01 Implementation 2026-02-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A