Home / Standards / GB/T 39545.1-2022 GB/T 39545.1-2022 Active Design and selection of components for enclosed gear drives—Part 1: Common components 闭式齿轮传动装置的零部件设计和选择 第1部分:通用零部件 Standard Type GBT ICS 21.120 CCS J19 Status 现行 Issue Date 2022-07-11 Implementation 2023-02-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A