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Springs. Measurement and test parameters. Cold formed cylindrical helical extension springs. Original standard UNE-EN ISO 22705-2-2025 in PDF full version. Additional info + preview on request

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Refrigerating systems and heat pumps. Competence of personnel. Original standard UNE-EN ISO 22712-2023 in PDF full version. Additional info + preview on request

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Conveyor belts. Specification for rubber- or plastics-covered conveyor belts of textile construction for underground mining. Original standard UNE-EN ISO 22721-2023 in PDF full version. Additional info + preview on request

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Plastics Determination of the degree of disintegration of plastic materials in marine habitats under real field conditions (ISO 22766:2020). Original standard UNE-EN ISO 22766-2022 in PDF full version. Additional info + preview on request

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Microfluidic devices. Interoperability requirements for dimensions, connections and initial device classification. Original standard UNE-EN ISO 22916-2022 in PDF full version. Additional info + preview on request

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Dentistry. Chairside denture base relining materials. Hard type materials. Original standard UNE-EN ISO 23401-1-2023 in PDF full version. Additional info + preview on request

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