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Testing hardened concrete - Part 11: Determination of the chloride resistance of concrete, unidirectional diffusion

Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-2: Normalized railway noise spectrum and single number ratings for direct sound field applications; German and English version EN 16272-3-2:2023/prA1:2024

Drilling and foundation equipment - Safety - Part 3: Horizontal directional drilling equipment (HDD)

Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-2: Normalized railway noise spectrum and single number ratings for direct sound field applications

Drilling and foundation machinery - Safety - Horizontal directional drilling (HDD) machines

Reference values for thermal issues

Testing hardened concrete - Part 11: Determination of the chloride resistance of concrete, unidirectional diffusion

Drilling and foundation equipment - Safety - Part 3: Horizontal directional drilling equipment (HDD)

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