ygs67 发表于 2017-1-9 15:37:57

IEC TS 62271-304-2008

IEC TS 62271-304-2008 High-voltage switchgear and controlgear -- Part 304: Design classes for indoor enclosed switchgear and controlgear for rated voltages above 1 kV up to and includuing 52 kV to be used in severe climatic conditions

admin 发表于 2017-1-9 16:47:32

谢谢您的分享,金币已奖励!

jack1016 发表于 2024-8-23 20:56:07

感谢楼主热心分享文件～
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