Home / Standards / GB/T 17111-2008 GB/T 17111-2008 Active Cutting tool - Designation of high-speed steel groups 切削刀具 高速钢分组代号 Standard Type GBT ICS 25.100.01 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