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Corrigendum - Specifications for dedicated liquefied petroleum gas appliances Portable vapour pressure liquefied petroleum gas appliances. Original standard UNE-EN 521-2020 + AC-2020 in PDF full version. Additional info + preview on request

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Steel strip sheaths for prestressing tendons. Terminology, requirements, quality control. Original standard UNE-EN 523-2005 in PDF full version. Additional info + preview on request

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Steel strip sheaths for prestressing tendons. Test methods - Determination of flexural behaviour. Original standard UNE-EN 524-2-1997 in PDF full version. Additional info + preview on request

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Steel strip sheaths for prestressing tendons. Test methods - To-and-fro bending test. Original standard UNE-EN 524-3-1997 in PDF full version. Additional info + preview on request

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Steel strip sheaths for prestressing tendons. Test methods - Determination of tensile load resistance. Original standard UNE-EN 524-5-1997 in PDF full version. Additional info + preview on request

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Inland navigation vessels. Gangways with a length not exceeding 8 m. Requirements, types. Original standard UNE-EN 526-1995 in PDF full version. Additional info + preview on request

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