Electromechanical switches for use in electrical and electronic equipment - Part 1: Generic specification (IEC 61020-1:2019); German version EN IEC 61020-1:2019— 98 стр.
Electromechanical switches for use in electrical and electronic equipment - Part 1: Generic specification (IEC 23J/437/CD:2017); Text in German and English
Electromechanical switches for use in electrical and electronic equipment - Part 1: Generic specification (IEC 61020-1:2009); German version EN 61020-1:2009— 73 стр.
Electromechanical switches for use in electrical and electronic equipment - Part 1: Generic specification (IEC 61020-1:2009); German version EN 61020-1:2009— 73 стр.