Home / Standards / GB/T 308.2-2010 GB/T 308.2-2010 Active Rolling bearings - Balls - Part 2: Ceramic balls 滚动轴承 球 第2部分：陶瓷球 Standard Type GBT ICS 21.100.20 CCS J11 Status 现行 Issue Date 2010-12-23 Implementation 2011-06-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A