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QDZ气动单元组合仪表 计算单元
QDZ process pneumatic control system Computing unit
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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 钕铁硼永磁制动组件
The NdFeB permanent magnet braking element for energy meters
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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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多用户静止式交流有功电能表 特殊要求
Particular requirements for multi-user static watt-hour meters(a.c.)
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电能表可靠性要求及考核方法
Reliability requirements and reliability compliance test for electrical energy meters
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电能计量装置安装接线规则
Installation and wiring connection rules for electric energy metering device
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