Current stage: 40.99 Effective date: 20 qer 2025
Next stage: DECFDIS Next stage date: 25 korr 2025
Originator: IEC
Owner: TC 104
Type: International Standard
ICS: 19.040
PUBLISHED IEC 60721-3-7:1995 ED2
PUBLISHED IEC 60721-3-7:1995/AMD1:1996 ED2
IN_DEVELOPMENT IEC 60721-3-7 ED3 40.99 Full report circulated: DIS approved for registration as FDIS 20 qer 2025