Home / Standards / GB/T 1156-2011 GB/T 1156-2011 Active Sleeve type drip-feed lubricating cups 旋套式注油油杯 Standard Type GBT ICS 25.080.01 CCS J21 Status 现行 Issue Date 2011-05-12 Implementation 2011-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A