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Soft soldering fluxes. Classification and requirements - Classification, labelling and packaging. Original standard UNE-EN ISO 9454-1-2016 in PDF full version. Additional info + preview on request

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Conveyor belts. Determination of elastic and permanent elongation and calculation of elastic modulus. Original standard UNE-EN ISO 9856-2016 in PDF full version. Additional info + preview on request

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Conformity assessment - Requirements for bodies performing inspection. Original standard UNE-EN ISO IEC 17020-2026 in PDF full version. Additional info + preview on request

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Explosive atmospheres - Material characteristics. Combustible dusts test methods. Original standard UNE-EN ISO IEC 80079-20-2-2016 in PDF full version. Additional info + preview on request

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Rubber, vulcanized or thermoplastic - Resistance to ozone cracking - Part 1- Static and dynamic strain testing. Original standard UNE-ISO 1431-1-2026 in PDF full version. Additional info + preview on request

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Space Data System Practices. Reference model for an open archival information system (OAIS). Original standard UNE-ISO 14721-2026 in PDF full version. Additional info + preview on request

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