AENOR UNE-EN 197-1 PDF

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Cemento. Parte 1: Composición, especificaciones y criterios de conformidad de los cementos comunes.

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Explosive atmospheres - Part 20-1: Material characteristics for gas and vapour classification - Test methods and data (ISO/IEC 80079-20-1:2017, including Cor 1:2018)

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Ensayos no destructivos. Caracterización y verificación del equipo de examen por ultrasonidos. Parte 3: Equipo completo.

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Railway Track Material, Part 1: Steel Rails

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Railway track material, Part 14: Prestressed concrete sleepers

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Railway track material, Part 17: Steel sleepers

Published Date: 06/23/2020

Railway track materials, Part 20: Welding of steel rail

Published Date: 06/23/2020

Railway track material, Part 21: Turnouts, switches and crossings

Published Date: 03/24/2020

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