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Photocatalysis Measurement of efficiency of photocatalytic devices used for the elimination of VOC and odour in indoor air in active mode Part 1- Batch mode test method in closed chamber. Original standard UNE-EN 16846-1-2019 in PDF full version. Additional info + preview on request

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Earthworks Part 1- Principles and general rules. Original standard UNE-EN 16907-1-2019 in PDF full version. Additional info + preview on request

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Earthworks Part 2- Classification of materials. Original standard UNE-EN 16907-2-2019 in PDF full version. Additional info + preview on request

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Earthworks Part 5- Quality control. Original standard UNE-EN 16907-5-2019 in PDF full version. Additional info + preview on request

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Drain and sewer systems outside buildings Pumping systems Part 2- Positive pressure systems. Original standard UNE-EN 16932-2-2019 in PDF full version. Additional info + preview on request

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Drain and sewer systems outside buildings Pumping systems Part 3- Vacuum systems Esta norma ha sido elaborada por el comité técnico CTN 149 Ingeniería del agua, cuya secretaría desempeña AEAS. Original standard UNE-EN 16932-3-2019 in PDF full version. Additional info + preview on request

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