
Insulators for overhead lines with a nominal voltage above 1 000 V - Part 1:Ceramic or glass insulator units for a. c. systems - Definitions, test methods and acceptance criteria
出版:Korean Standards Association

专家解读视频
Insulators for overhead lines with a nominal voltage above 1 000 V - Part 1:Ceramic or glass insulator units for a. c. systems - Definitions, test methods and acceptance criteria
出版:Korean Standards Association
专家解读视频