DIN EN IEC 62631-2-1:2018-12
Действует
Dielectric and resistive properties of solid insulating materials - Part 2-1: Relative permittivity and dissipation factor - Technical frequencies (0,1 Hz to 10 MHz) - AC Methods (IEC 62631-2-1:2018); German version EN IEC 62631-2-1:2018
— 25 стр.
