Current stage: 20.99 Effective date: 25 tet 2024
Next stage: CD Next stage date: 31 korr 2025
Originator: IEC
Owner: TC 47
Type: International Standard
ICS: 31.080.99
IN_DEVELOPMENT IEC 63567-3 ED1 20.99 WD approved for registration as CD 25 tet 2024