Home / Standards / GB/T 1114.1-1998 GB/T 1114.1-1998 Shell end mills — Part 1: Types and dimensions 套式立铣刀 第1部分:型式与尺寸 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