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Bituminous mixtures. Test methods - Part 36. Determination of the thickness of bituminous pavement. Original standard UNE-EN 12697-36-2023 in PDF full version. Additional info + preview on request

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Bituminous mixtures. Test methods - Determination of the bulk density of bituminous specimens by gamma rays. Original standard UNE-EN 12697-7-2022 in PDF full version. Additional info + preview on request

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Devices to prevent pollution by backflow of potable water. Controllable backflow preventer with reduced pressure zone. Family B. Type A. Original standard UNE-EN 12729-2023 in PDF full version. Additional info + preview on request

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Gas infrastructure. Welding steel pipework. Functional requirements. Original standard UNE-EN 12732-2022 in PDF full version. Additional info + preview on request

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LPG equipment and accessories. Automotive liquefied petroleum gas components. Other than containers. Original standard UNE-EN 12806-2023 in PDF full version. Additional info + preview on request

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Bitumen and bituminous binders. Determination of settling tendency of bituminous emulsions. Original standard UNE-EN 12847-2023 in PDF full version. Additional info + preview on request

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