
Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V -- Part 1: Standard strength classes and end fittings ( IEC 61466-1:2016)
出版:Osterreichisches Normungsinstitut/Austrian Standards

专家解读视频
Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V -- Part 1: Standard strength classes and end fittings ( IEC 61466-1:2016)
出版:Osterreichisches Normungsinstitut/Austrian Standards
专家解读视频