Home / Standards / GB/T 39545.3-2020 GB/T 39545.3-2020 Active Design and selection of components for enclosed gear drives—Part 3: Shaft-to-hub juncture with keyless fits 闭式齿轮传动装置的零部件设计和选择 第3部分:轴和轮毂的无键配合连接 Standard Type GBT ICS 21.120 CCS J19 Status 现行 Issue Date 2020-12-14 Implementation 2021-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A