Home / Standards / GB/T 3229-2008 GB/T 3229-2008 Abolished Assembly tools for screws and nuts - Drive ends for hand and machine operated screwdriver bits and connecting parts - Dimensions, torque testing 螺栓螺母用装配工具 手动和机动螺刀头的传动端和连接部件的尺寸及扭矩试验 Standard Type GBT ICS 25.140.01 CCS J48 Status 废止 Issue Date 2008-07-09 Implementation 2009-02-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A