Home / Standards / GB/T 307.3-2017 GB/T 307.3-2017 Active Rolling bearings—General technical regulations 滚动轴承 通用技术规则 Standard Type GBT ICS 21.100.20 CCS J11 Status 现行 Issue Date 2017-05-12 Implementation 2017-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A