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Dentistry - Coupling dimensions for handpiece connectors - Part 1: Mechanical properties (ISO 3964-1:2026). Original standard UNE-EN ISO 3964-1-2026 in PDF full version. Additional info + preview on request

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Amendment 2 - Petroleum and related products - Precision of measurement methods and results - Part 1- Determination of precision data in relation to methods of test. Original standard UNE-EN ISO 4259-1-2018 A2-2021 in PDF full version. Additional info + preview on request

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Petroleum and related products - Precision of measurement methods and results - Part 1: Determination of precision data in relation to methods of test (ISO 4259-1:2017). Original standard UNE-EN ISO 4259-1-2018 in PDF full version. Additional info + preview on request

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Amendment 1 - Petroleum and related products - Precision of measurement methods and results - Part 2- Interpretation and application of precision data in relation to methods of test. Original standard UNE-EN ISO 4259-2-2018 A1-2020 in PDF full version. Additional info + preview on request

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Petroleum and related products - Precision of measurement methods and results - Part 2: Interpretation and application of precision data in relation to methods of test (ISO 4259-2:2017). Original standard UNE-EN ISO 4259-2-2018 in PDF full version. Additional info + preview on request

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Metallic powders Determination of oxygen content by reduction methods Part 3: Hydrogen-reducible oxygen (ISO 4491-3:2025). Original standard UNE-EN ISO 4491-3-2026 in PDF full version. Additional info + preview on request

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