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Gas-fired domestic appliances producing hot water Part 4- Assessment of energy consumption of gas combined heat and power appliances (mCHP) producing hot water and electricity. Original standard UNE-EN 13203-4-2023 in PDF full version. Additional info + preview on request

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Gas-fired domestic appliances producing hot water Part 5- Assessment of energy consumption of gas-fired appliances combined with electrical heat pump. Original standard UNE-EN 13203-5-2023 in PDF full version. Additional info + preview on request

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Gas-fired domestic appliances producing hot water Part 6- Assessment of energy consumption of adsorption and absorption heat pumps. Original standard UNE-EN 13203-6-2023 in PDF full version. Additional info + preview on request

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Gas-fired domestic appliances producing hot water Part 7- Assessment of energy consumption of combination boilers equipped with a passive flue heat recovery device. Original standard UNE-EN 13203-7-2023 in PDF full version. Additional info + preview on request

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Child care articles Child carriers Safety requirements and test methods Part 1- Framed back carrier. Original standard UNE-EN 13209-1-2023 in PDF full version. Additional info + preview on request

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Unbound and hydraulically bound mixtures Part 1- Test methods for laboratory reference density and water content Introduction, general requirements and sampling. Original standard UNE-EN 13286-1-2022 in PDF full version. Additional info + preview on request

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