Current stage: 30.99 Effective date: 20 dhj 2024
Next stage: TCDV Next stage date: 30 pri 2025
Originator: IEC
Owner: TC 23/SC 23K
Type: International Standard
ICS: 27.015 29.020
IN_DEVELOPMENT IEC 63552 ED1 30.99 CD approved for registration as DIS 20 dhj 2024