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电测量设备 可信性 第321部分:耐久性-高温下的计量特性稳定性试验
Electricity metering equipment.Dependability.Part 321:Durability testing of the stability of metrological characteristics by applying elevated temperature
价格:¥0.00
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低压窄带电力线通信 第11部分:3 kHz~500 kHz频带划分、输出电平和电磁骚扰限值
Narrow band power line communication over low-voltage mains.Part 11:3 kHz to 500 kHz frequency bands and classifications,limits of output level and electromagnetic disturbances
价格:¥0.00
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社区能源计量抄收系统规范 第6部分:本地总线
Society energy metering for reading system specification.Part 6:Local bus
价格:¥0.00
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交流电测量设备 特殊要求 第2部分:静止式谐波有功电能表
Electricity metering equipment (a.c.).Particular requirements.Part 2:Static harmonic meters for active energy
价格:¥0.00
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电工仪器仪表 产品型号编制方法
Nomenclature of model for electrotechnical instruments
价格:¥0.00
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社区能源计量抄收系统规范.第3部分:专用应用层
Society energy metering for reading system specification.Part 3:Dedicated application layer
价格:¥0.00
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社区能源计量抄收系统规范.第2部分:物理层与链路层
Society energy metering for reading system specification.Part 2:Physical and link layer
价格:¥0.00
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电力系统实时动态监测主站技术规范
Specification for master station of real-time dynamics monitoring system for power systems
价格:¥0.00
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自动抄表系统.第214部分:低压电力线载波抄表系统.静止式载波电能表特殊要求
Automatic meter reading system.Part 214:Distribution line carrier meter reading system.Particular requirements for static DLC meters
价格:¥0.00
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自动抄表系统.第213部分:低压电力线载波抄表系统.载波采集器
Automatic meter reading system.Part 213:Distribution line carrier meter reading system.DLC Acquisition unit
价格:¥0.00
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