Home / Standards / GB/T 4682-2007 GB/T 4682-2007 Active Internal cylindrical grinding machines with horizontal spindle - Testing of the accuracy 内圆磨床 精度检验 Standard Type GBT ICS 25.080.50 CCS J55 Status 现行 Issue Date 2007-07-26 Implementation 2007-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A