Home / Standards / GB/T 17421.1-2023 GB/T 17421.1-2023 Active Test code for machine tools—Part 1:Geometric accuracy of machines operating under no-load or quasi-static conditions 机床检验通则 第1部分:在无负荷或准静态条件下机床的几何精度 Standard Type GBT ICS 25.040.20 CCS J50 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A