GB/T 12668.4-2006
AbolishedAdjustable speed electrical power drive systems - part 4: General requirements - Rating specifications for a.c. power drive systems above 1000V a.c. and not exceeding 35kV
调速电气传动系统 第4部分:一般要求 交流电压1000V以上但不超过35kV的交流调速电气传动系统额定值的规定
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