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Corrigendum - Home and building electronic systems (HBES) and building automation and control systems (BACS) Part 4- General functional safety requirements for products intended to be integrated in HBES and BACS. Original standard UNE-EN IEC 63044-4-2022 AC-2023 in PDF full version. Additional info + preview on request

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Corrigendum - Connectors for electrical and electronic equipment - Part 5- Detail specification for 2-way m8 and m12 circular connectors, shielded or unshielded, free and fixed - Mechanical mating information, pin assignment and additional requirements for type 5. Original standard UNE-EN IEC 63171-5-2022 AC-2024 in PDF full version. Additional info + preview on request

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Wearable electronic devices and technologies - Test method for measuring surface temperature of wrist-worn wearable electronic devices while in contact with human skin (IEC 63203-406-1-2021). Original standard UNE-EN IEC 63203-406-1-2022 in PDF full version. Additional info + preview on request

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Natural gas Determination of water by the Karl Fischer method Part 1- General requirements (ISO 10101-1-2022). Original standard UNE-EN ISO 10101-1-2023 in PDF full version. Additional info + preview on request

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Natural gas Determination of water by the Karl Fischer method Part 2- Volumetric procedure (ISO 10101-2-2022). Original standard UNE-EN ISO 10101-2-2023 in PDF full version. Additional info + preview on request

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Natural gas Determination of water by the Karl Fischer method Part 3- Coulometric procedure (ISO 10101-3-2022). Original standard UNE-EN ISO 10101-3-2023 in PDF full version. Additional info + preview on request

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