Home / Standards / GB/T 3933.1-2025 GB/T 3933.1-2025 Active Test conditions for milling machines with table of variable height—Testing of accuracy—Part 1: Machines with horizontal spindle 升降台铣床检验条件 精度检验 第1部分:卧式铣床 Standard Type GBT ICS 25.080.20 CCS J54 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A