Home / Standards / GB/T 45381-2025 GB/T 45381-2025 Active Gantry-type die sinking electrical discharge machines with movable crossbeam—Testing of the accuracy 动梁式龙门电火花成形机床 精度检验 Standard Type GBT ICS 25.080.99 CCS J59 Status 现行 Issue Date 2025-03-28 Implementation 2025-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A