GB/T 21421.2-2014
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 21421.2-2014
Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V― Part 2:Dimensions and characteristics 标称电压高于1 000V 的架空线路用复合绝缘子串元件 第2部分:尺寸与特性
Issued Date:2014-07-24
Implemented Date:2015-01-22
Issued by:
The Standardization Administration of the People's Republic of China