Објављен
IEC TR 61858-3:2020(E) provides information on the identification of electrical insulating materials and auxiliary components for the assessment of modifications to an established insulation system and gives guidance on the selection of feasible test procedures.
ОБЈАВЉЕН
IEC TR 61858-3:2020 ED1
60.60
Стандард објављен
8. 12. 2020.
НАПУШТЕН
IEC TR 61858-3 ED2