SANS IEC 61462 Composite Hollowcore Insulators
复合绝缘子 - 用于户外和室内电气设备的空心绝缘子 - 定义、试验方法、验收准则和设计建议
Composite insulators — Hollow insulators for use in outdoor and indoor electrical equipment — Definitions, test methods, acceptance criteria and design recommendations
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