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Preparation of steel substrates before application of paints and related products Surface preparation methods Part 4- Acid pickling (ISO 8504-4-2022). Original standard UNE-EN ISO 8504-4-2025 in PDF full version. Additional info + preview on request

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Overhead distribution cables of rated voltage U0/U(Um)- 0,6/1 (1,2) kV. Original standard UNE-HD 626-S2-2025 in PDF full version. Additional info + preview on request

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Accessibility of Immovable Cultural Heritage General criteria and methodology. Original standard UNE 41531-2018 IN in PDF full version. Additional info + preview on request

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Additive manufacturing of metals - Non-destructive testing and evaluation - Defect detection in parts (ISO/ASTM TR 52905-2023). Original standard UNE-CEN ISO ASTM TR 52905-2023 in PDF full version. Additional info + preview on request

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Additive Manufacturing of metals - Feedstock materials - Correlating of rotating drum measurement with powder spreadability in PBF-LB machines (ISO/ASTM TR 52952-2023). Original standard UNE-CEN ISO ASTM TR 52952-2023 in PDF full version. Additional info + preview on request

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Ergonomic design of control centres - Part 10- Introduction to the control room design series of standards (ISO/TR 11064-10-2020). Original standard UNE-CEN ISO TR 11064-10-2022 in PDF full version. Additional info + preview on request

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