Current stage: 20.99 Effective date: 25 gush 2023
Next stage: CD Next stage date: 30 tet 2024
Originator: IEC
Owner: SyC AAL
Type: International Standard
ICS: 11.020.10
IN_DEVELOPMENT IEC 63168 ED1 20.99 WD approved for registration as CD 25 gush 2023