China 'GB/T 20111.4-2017
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20111.4-2017
Electrical insulation systems—Procedures for thermal evaluation—Part 4: Selection of the appropriate test method for evaluation and classification of electrical insulation systems 电气绝缘系统 热评定规程 第4部分:评定和分级电气绝缘系统试验方法的选用导则
Issued Date:2017
Implemented Date:2017
Issued by:
The Standardization Administration of the People's Republic of China