IEC 60050-421:1990
It has the status of a horizontal standard in accordance with IEC Guide 108.
OEN:
IEC
Langue:
English
Code(s) de l'ICS:
01.040.29;
29.180
Statut:
Publié
Date de Publication:
1990-10-14
Numéro Standard:
IEC 60050-421:1990