Home / Standards / GB/T 39961-2021 GB/T 39961-2021 Active Ball screw assembly—Dimension of shaft-end type screw 滚珠丝杠副 支承结构型式尺寸 Standard Type GBT ICS 25.060.99 CCS J51 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A