
Composite station post insulators for substations with a.c. voltages greater than 1 000 V up to 245 kV — Definitions, test methods and acceptance criteria
出版:Korean Standards Association

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Composite station post insulators for substations with a.c. voltages greater than 1 000 V up to 245 kV — Definitions, test methods and acceptance criteria
出版:Korean Standards Association
专家解读视频