Home / Standards / GB/T 14298-2008 GB/T 14298-2008 Active Helical end mills with indexable inserts 可转位螺旋立铣刀 Standard Type GBT ICS 25.100.20 CCS J41 Status 现行 Issue Date 2008-06-03 Implementation 2009-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会