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Household electric direct-acting room heaters. Methods for measuring performance - Additional provisions for the measurement of the radiation efficiency. Original standard UNE-EN IEC 60675-3-2021 in PDF full version. Additional info + preview on request

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Optical fibre cables - Part 1-1- Generic specification - General. Original standard UNE-EN IEC 60794-1-1-2024 in PDF full version. Additional info + preview on request

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Optical fibre cables - Part 1-301- Generic specification - Basic optical cable test procedures - Cable elements test methods - Bend test, method G1. Original standard UNE-EN IEC 60794-1-301-2024 in PDF full version. Additional info + preview on request

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Optical fibre cables - Part 1-303- Generic specification - Basic optical cable test procedures - Ribbon dimensions - Aperture gauge, method G3. Original standard UNE-EN IEC 60794-1-303-2024 in PDF full version. Additional info + preview on request

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Optical fibre cables - Part 1-308- Generic specification - Basic optical cable test procedures - Cable element test methods - Ribbon residual twist test, method G8. Original standard UNE-EN IEC 60794-1-308-2024 in PDF full version. Additional info + preview on request

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Optical fibre cables - Part 1-309- Generic specification - Basic optical cable test procedures - Cable element test methods - Bleeding and evaporation of filling or flooding compounds, Method G9. Original standard UNE-EN IEC 60794-1-309-2024 in PDF full version. Additional info + preview on request

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