STB PDF

Geometrical product specifications (GPS) - Surface texture: Areal - Part 606: Design and characteristics of non-contact (focus variation) instruments (ISO 25178-606:2026). Original standard UNE-EN ISO 25178-606-2026 in PDF full version. Additional info + preview on request

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Medical electrical equipment - Part 2-74: Particular requirements for basic safety and essential performance of respiratory humidifying equipment (ISO 80601-2-74:2026). Original standard UNE-EN ISO 80601-2-74-2026 in PDF full version. Additional info + preview on request

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Medical electrical equipment - Part 2-90: Particular requirements for basic safety and essential performance of respiratory high-flow therapy equipment (ISO 80601-2-90:2026). Original standard UNE-EN ISO 80601-2-90-2026 in PDF full version. Additional info + preview on request

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Jewellery - Ring-sizes - Definition, measurement and designation (ISO 8653:2016). Original standard UNE-EN ISO 8653-2026 in PDF full version. Additional info + preview on request

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Plastics Methods of exposure to solar radiation Part 1: General guidance (ISO 877-1:2025, Corrected version 2026-02). Original standard UNE-EN ISO 877-1-2026 in PDF full version. Additional info + preview on request

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Small craft - Electrical devices - Protection against ignition of surrounding flammable gases (ISO 8846:2025). Original standard UNE-EN ISO 8846-2026 in PDF full version. Additional info + preview on request

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