KS C IEC 61020-2-2-2002 电子设备用机电式开关.第2部分:旋转开关的分规范.第2节:中央悬挂、12位、17mm直径的旋转开关详细规范
Electromechanical switches for use in electronic equipment-Part 2:Sectional specification for rotary switches-Section 2:Detail specification for rotary switches with central mounting, 12 positions, 17 mm diameter