Home / Standards / GB/T 16770.1-2008 GB/T 16770.1-2008 Abolished Solid hardmetal end mills with parallel shank - Part 1: Dimensions 整体硬质合金直柄立铣刀 第1部分:型式与尺寸 Standard Type GBT ICS 25.100.20 CCS J41 Status 废止 Issue Date 2008-06-03 Implementation 2009-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A