Home / Standards / GB/T 3229-2000 GB/T 3229-2000 Abolished Assembly tools for bolts and screws--Hexagon drive ends for machine-operated screw driver bits 螺栓螺钉用装配工具 机动螺刀头的六角传动端 Standard Type GBT ICS 25.140.01 CCS J48 Status 废止 Issue Date 2000-10-17 Implementation 2001-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A