tthung 发表于 2013-12-10 15:19:42

IEEE Std 290-1980

IEEE Std 290-1980
IEEE Standard for Electric Couplings; Part I - General, Rating, Performance Characteristics; Part II - Test Procedures


admin 发表于 2013-12-10 18:55:50

谢谢您的分享，金币已奖励！
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