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Devices to prevent pollution by backflow of potable water. Mechanical disconnector, direct actuated. Family G, type A. Original standard UNE-EN 13433-2022 in PDF full version. Additional info + preview on request

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Devices to prevent pollution by backflow of potable water. Mechanical disconnector, flow actuated. Family G, Type B. Original standard UNE-EN 13434-2022 in PDF full version. Additional info + preview on request

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Wood and parquet flooring and wood panelling and cladding. Determination of the resistance to chemical agents. Original standard UNE-EN 13442-2023 in PDF full version. Additional info + preview on request

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Rubber and plastic hoses and hose assemblies with internal vapour recovery for measured fuel dispensing systems. Specification. Original standard UNE-EN 13483-2023 in PDF full version. Additional info + preview on request

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Fire classification of construction products and building elements - Classification using data from fire resistance and/or smoke control tests, excluding ventilation services. Original standard UNE-EN 13501-2-2023 in PDF full version. Additional info + preview on request

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Coil coated metals. Test methods - Chalking (Helmen method). Original standard UNE-EN 13523-14-2023 in PDF full version. Additional info + preview on request

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