Home / Standards / GB/T 902.2-2010 GB/T 902.2-2010 Abolished Threaded studs for drawn arc stud welding with ceramic ferrule 电弧螺柱焊用焊接螺柱 Standard Type GBT ICS 21.060.10 CCS J13 Status 废止 Issue Date 2011-01-10 Implementation 2011-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A