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机电式交流有功和无功电能表 第2部分:长寿命电能表的特殊要求
Electromechanical meters for active energy and reactive energy Part2:Particular requirements for long life meter
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机电式交流有功和无功电能表 第1部分:通用要求
Electromechanical meters for active energy and reactive energy Part2: Particular requirements for long life meter
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电度表用零部件 磁推轴承铁氧体磁环
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电能表用零部件 磁力轴承组件
Magnetic bearing assembly for energy meters
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电度表用零部件 磁推轴承铝镍钴磁环
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