China 'GB/T 38658-2020
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 38658-2020
Guidance for the extension of validity of type tests of AC metal enclosed switchgear and controlgear for rated voltages above 3.6 kV and up to and including 40.5 kV 3.6 kV~40.5 kV交流金属封闭开关设备和控制设备型式试验有效性的延伸导则
Issued Date:2020-03-31
Implemented Date:2020-10-01
Issued by:
The Standardization Administration of the People's Republic of China