STB PDF

Fine ceramics (advanced ceramics, advanced technical ceramics) - Methods for chemical analysis of zirconium oxide powders (ISO 23739:2021). Original standard UNE-EN ISO 23739-2023 in PDF full version. Additional info + preview on request

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Anodizing of aluminium and its alloys. Determination of breakdown voltage and withstand voltage. Original standard UNE-EN ISO 2376-2019 in PDF full version. Additional info + preview on request

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Biogas systems - Non-household and non-gasification (ISO 24252:2021). Original standard UNE-EN ISO 24252-2023 in PDF full version. Additional info + preview on request

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Welding and allied processes - Vocabulary - Part 2: Health and safety (ISO 25901-2:2022). Original standard UNE-EN ISO 25901-2-2023 in PDF full version. Additional info + preview on request

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Analysis of natural gas. Biomethane. Determination of VOCs by thermal desorption gas chromatography with flame ionization and/or mass spectrometry detectors. Original standard UNE-EN ISO 2620-2024 in PDF full version. Additional info + preview on request

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Paints and varnishes - Determination of gloss value at 20o, 60o and 85o (ISO 2813:2014). Original standard UNE-EN ISO 2813-2015 in PDF full version. Additional info + preview on request

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