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Welding - Grouping systems for materials - European materials (ISO/TR 20172:2021). Original standard PD CEN ISO TR 20172-2021 in PDF full version. Additional info + preview on request

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Welding. Grouping systems for materials. American materials. Original standard PD CEN ISO TR 20173-2018 in PDF full version. Additional info + preview on request

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Welding. Grouping systems for materials. Japanese materials. Original standard PD CEN ISO TR 20174-2020 in PDF full version. Additional info + preview on request

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Sports and other recreational facilities and equipment. Injury and safety definitions and thresholds. Guidelines for their inclusion in standards. Original standard PD CEN ISO TR 20183-2017 in PDF full version. Additional info + preview on request

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Assistive products for tissue integrity when lying down - Foam properties, characteristics and performance. Original standard PD CEN ISO TR 20342-7-2022 in PDF full version. Additional info + preview on request

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Medical devices. Post-market surveillance for manufacturers. Original standard PD CEN ISO TR 20416-2020 in PDF full version. Additional info + preview on request

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