China 'GB/T 34937-2017
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 34937-2017
Insulators for overhead lines—Composite suspension and tension insulators for d.c.systems with a nominal voltage greater than 1500 V—Definitions, test methods and acceptance criteria 架空线路绝缘子 标称电压高于1500 V直流系统用悬垂和耐张复合绝缘子 定义、试验方法及接收准则
Issued Date:2017-11-01
Implemented Date:2018-05-01
Issued by:
The Standardization Administration of the People's Republic of China