FAQs
IEC 60050-221:1990 [Current]
IEC 60050-221:1990/AMD1:1993 [Current]
IEC 60050-221:1990/AMD2:1999 [Current]
IEC 60050-221:1990/AMD3:2007 [Current]
IEC 60050-221:1990/AMD4:2020 [Current]
IEC 60404-1:2016 [Current]
IEC 60404-1:2016 RLV [Current]
IEC 60404-10:2016 [Current]
IEC 60404-10:2016 RLV [Current]
IEC 60404-10:2016/COR1:2018 [Current]