Home / Standards / GB/T 6117.1-1996 GB/T 6117.1-1996 End mills — Part 1: Types and dimensions of straight shank end mills 立铣刀 第一部分:直柄立铣刀的型式和尺寸 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A