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Liquid petroleum products. Determination of indicated cetane number (ICN) of middle distillate fuels. Primary reference fuels calibration method using a constant volume combustion chamber. Original standard UNE-EN 17155-2019 in PDF full version. Additional info + preview on request

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Product category rules for ceramic tiles. Original standard UNE-EN 17160-2019 in PDF full version. Additional info + preview on request

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Plastics piping systems for water supply and for buried and above ground drainage, sewerage and irrigation under pressure. Oriented unplasticized poly(vinyl chloride) (PVC-O). Fitness for purpose of the system. Original standard UNE-EN 17176-5-2019 in PDF full version. Additional info + preview on request

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Lubricants. Determination of aerobic biological degradation of fully formulated lubricants in an aqueous solution. Test method based on CO2-production. Original standard UNE-EN 17181-2019 in PDF full version. Additional info + preview on request

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Ventilation for buildings. Ductwork. Non-metallic ductwork. Requirements and test methods. Original standard UNE-EN 17192-2019 in PDF full version. Additional info + preview on request

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Products and systems for the protection and repair of concrete structures. Test methods. Reference concretes for testing. Original standard UNE-EN 1766-2019 in PDF full version. Additional info + preview on request

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