Home / Standards / GB/T 28779-2012 GB/T 28779-2012 Active Rolling bearings - Insert bearing units - Classification 滚动轴承 带座外球面球轴承 分类 Standard Type GBT ICS 21.100.20 CCS J11 Status 现行 Issue Date 2012-11-05 Implementation 2013-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A