Norm-Entwurf
PR NF C42-569-20
; PR NF EN IEC 61869-20
PR NF C42-569-20
; PR NF EN IEC 61869-20
IEC 61869-20 : safety requirements of Instrument Transformers for High Voltage applications
Titel (englisch)
IEC 61869-20 : safety requirements of Instrument Transformers for High Voltage applications