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Respiratory protective devices. Compressed air line breathing devices with demand valve - Devices with a full face mask. Requirements, testing and marking. Original standard UNE-EN 14593-1-2018 in PDF full version. Additional info + preview on request

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Respiratory protective devices. Continuous flow compressed air line breathing devices. Requirements, testing and marking. Original standard UNE-EN 14594-2018 in PDF full version. Additional info + preview on request

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Railway applications Track Aluminothermic welding of rails Part 1: Approval of welding processes. Original standard UNE-EN 14730-1-2018 in PDF full version. Additional info + preview on request

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Fixed firefighting systems Gas extinguishing systems Part 8: Physical properties and system design of gas extinguishing systems for IG-100 extinguishant (ISO 14520-13:2015, modified). Original standard UNE-EN 15004-8-2018 in PDF full version. Additional info + preview on request

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Fixed firefighting system Gas extinguishing systems Part 9: Physical properties and system design of gas extinguishing systems for IG-55 extinguishant (ISO 14520-14:2015, modified). Original standard UNE-EN 15004-9-2018 in PDF full version. Additional info + preview on request

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Copper and copper alloys. Determination of zinc content. Flame atomic absorption spectrometric method (FAAS). Original standard UNE-EN 15024-2-2018 in PDF full version. Additional info + preview on request

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