Current stage: 30.99 Effective date: 17 tet 2025
Next stage: TCDV Next stage date: 30 pri 2026
Originator: IEC
Owner: TC 87
Type: International Standard
ICS: 11.040.60 17.140.50
IN_DEVELOPMENT IEC 63612 ED1 30.99 CD approved for registration as DIS 17 tet 2025