Potentiometers for use in electronic equipment - Part 2: Sectional specification - Lead-screw actuated and rotary preset potentiometers (IEC 60393-2:2015); German version EN 60393-2:2016— 29 стр.
Potentiometers for use in electronic equipment - Part 2: Sectional specification - Lead-screw actuated and rotary preset potentiometers (IEC 40/2077/CD:2010)