IEC 60050-531:1974
It has the status of a horizontal standard in accordance with IEC Guide 108.
OEN:
IEC
Langue:
English
Code(s) de l'ICS:
01.040.31;
31.100
Statut:
Publié
Date de Publication:
1973-12-31
Numéro Standard:
IEC 60050-531:1974