DIN EN 61620:1999 Insulating liquids - Determination of the dielectric dissipation factor by measurement of the conductance and capacitance - Test method (IEC 61620:1998); German version EN 61620:1999
1999DIN EN 61620:1999 Insulating liquids - Determination of the dielectric dissipation factor by measurement of the conductance and capacitance - Test method (IEC 61620:1998); German version EN 61620:1999