Home / Standards / GB/T 40310.1-2021 GB/T 40310.1-2021 Active Ball splines—Part 1:General characteristics and requirements 滚动花键副 第1部分:一般特征和要求 Standard Type GBT ICS 25.060.10 CCS J51 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A