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Electricity metering. Payment systems - Transaction Reference Numbers (TRN). Original standard UNE-EN IEC 62055-42-2022 in PDF full version. Additional info + preview on request

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Electricity metering data exchange. The DLMS®/COSEM suite - DLMS®/COSEM application layer. Original standard UNE-EN IEC 62056-5-3-2023 in PDF full version. Additional info + preview on request

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Electricity metering data exchange. The DLMS/COSEM suite - COSEM interface classes. Original standard UNE-EN IEC 62056-6-2-2023 in PDF full version. Additional info + preview on request

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Electricity metering data exchange. The DLMS®/COSEM suite - Communication profile for Low-Power Wide Area Networks (LPWANs). Original standard UNE-EN IEC 62056-8-12-2023 in PDF full version. Additional info + preview on request

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Electrical energy meters. Test equipment, techniques and procedures - Stationary meter test units (MTUs). Original standard UNE-EN IEC 62057-1-2023 in PDF full version. Additional info + preview on request

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Audio, video, and related equipment. Determination of power consumption - Signals and media. Original standard UNE-EN IEC 62087-2-2023 in PDF full version. Additional info + preview on request

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