STB PDF

Test methods for assessing the performance of gas-phase air cleaning media and devices for general ventilation Part 3- Classification system for GPACDs applied to treatment of outdoor air (ISO 10121-3-2022). Original standard UNE-EN ISO 10121-3-2023 in PDF full version. Additional info + preview on request

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Leather Chemical determination of chromium(VI) content in leather Thermal pre-ageing of leather and determination of hexavalent chromium (ISO 10195-2018). Original standard UNE-EN ISO 10195-2022 in PDF full version. Additional info + preview on request

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Ponts thermiques dans les bâtiments Flux thermiques et températures superficielles Calculs détaillés (ISO 10211-2017). Original standard UNE-EN ISO 10211-2022 in PDF full version. Additional info + preview on request

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Gas welding equipment Marking for equipment used for gas welding, cutting and allied processes (ISO 10225-2013). Original standard UNE-EN ISO 10225-2022 in PDF full version. Additional info + preview on request

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Corrected version, September 2025 Acoustics Determination of acoustic properties in impedance tubes Part 2- Two-microphone technique for normal sound absorption coefficient and normal surface impedance (ISO 10534-2-2023, Corrected version 2025-08). Original standard UNE-EN ISO 10534-2-2024 (2025) in PDF full version. Additional info + preview on request

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Building and civil engineering sealants Determination of change in mass and volume (ISO 10563-2023). Original standard UNE-EN ISO 10563-2024 in PDF full version. Additional info + preview on request

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