liuxilin1215 发表于 2013-12-3 07:34:09

IEC TR 62271-310-2004(清晰版)

IEC TR 62271-310-2004 High-voltage switchgear and controlgear –Part 310: Electrical endurance testing for circuit-breakers of rated voltage 72,5 kV and above


admin 发表于 2013-12-3 10:37:15

谢谢您的分享，金币已奖励！
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