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标题:
IEC 61800-2-1998
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作者:
liuxilin1215
时间:
2014-2-6 07:59:38
标题:
IEC 61800-2-1998
IEC 61800-2-1998 Adjustable speed electrical power drive systems – Part 2: General requirements – Rating specifications for low voltage adjustable frequency a.c. power drive systems
[attach]32058[/attach]
作者:
admin
时间:
2014-2-10 18:37:59
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