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Gas-fired heating boilers - General requirements and tests. Original standard BS EN 15502-1-2021 + A1-2023 in PDF full version. Additional info + preview on request

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Gas-fired central heating boilers - Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW. Original standard BS EN 15502-2-1-2022 + A1-2023 (2025) in PDF full version. Additional info + preview on request

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Gas-fired central heating boilers - Specific standard for type B1 appliances. Original standard BS EN 15502-2-2-2024 in PDF full version. Additional info + preview on request

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Gas-fired central heating boilers. Specific standard for hybrid units combining a gas-fired boiler and an electrical heat pump in a product. Original standard BS EN 15502-2-3-2023 in PDF full version. Additional info + preview on request

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Garden equipment. Garden blowers, vacuums and blower/vacuums. Safety. Original standard BS EN 15503-2009 + A2-2015 in PDF full version. Additional info + preview on request

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Foodstuffs. Determination of trace elements. Determination of sodium and magnesium by flame atomic absorption spectrometry (AAS) after microwave digestion. Original standard BS EN 15505-2008 in PDF full version. Additional info + preview on request

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