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Energy efficiency - Customer energy management system - Part 2-2- Data model and messaging - Interface between the customer energy manager and resource managers. IEC 63402-2-2:2026-08(en). Original standard IEC 63402-2-2-2026 in PDF full version. Additional info + preview on request

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User’s quality of experience on multimedia conferencing services - Part 3- Measurement methods. Original standard IEC 63478-3-2026 in PDF full version. Additional info + preview on request

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Electrical relays - Tests and measurements - Part 19- Electrical endurance. IEC 63522-19:2026-08. Original standard IEC 63522-19-2026 in PDF full version. Additional info + preview on request

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Multimedia systems and equipment for metaverse - Part 2- Classification. IEC TS 63614-2:2026-08. Original standard IEC TS 63614-2-2026 in PDF full version. Additional info + preview on request

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Decentralized Multiple Energy Systems - Part 1- General. IEC TR 63631-1:2026-08. Original standard IEC TR 63631-1-2026 in PDF full version. Additional info + preview on request

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Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment - Interpretation sheet 1. Original standard CISPR 15-2018 amd1-2024 ISH1-2026 in PDF full version. Additional info + preview on request

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