Home / Standards / GB/T 20323.1-2006 GB/T 20323.1-2006 Abolished Milling cutters - Designation - Part 1: Shank type end mills of solid or tipped design 铣刀代号 第1部分：整体或镶齿结构的带柄立铣刀 Standard Type GBT ICS 25.100.20 CCS J41 Status 废止 Issue Date 2006-07-20 Implementation 2007-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A