IEC 60050-721:1991
It has the status of a horizontal standard in accordance with IEC Guide 108.
OEN:
IEC
Langue:
English
Code(s) de l'ICS:
01.040.33;
29.020;
33.040.01
Statut:
Publié
Date de Publication:
1991-11-29
Numéro Standard:
IEC 60050-721:1991