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Petroleum products and related products Determination of kinematic viscosity Method by Stabinger type viscometer (ISO 23581:2024). Original standard UNE-EN ISO 23581-2025 in PDF full version. Additional info + preview on request

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Chemicals for the leather tanning industry. Determination of cyclosiloxanes. Original standard UNE-EN ISO 23649-2025 in PDF full version. Additional info + preview on request

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Cosmetics. Measurement of the sunscreen efficacy by diffuse reflectance spectroscopy. Original standard UNE-EN ISO 23698-2025 in PDF full version. Additional info + preview on request

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Soil quality - Determination of dehydrogenases activity in soils - Part 2: Method using iodotetrazolium chloride (INT) (ISO 23753-2:2019). Original standard UNE-EN ISO 23753-2-2019 in PDF full version. Additional info + preview on request

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Leather Physical and mechanical tests Measurement of stitch tear resistance (ISO 23910:2019). Original standard UNE-EN ISO 23910-2020 in PDF full version. Additional info + preview on request

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Rubber hoses, textile-reinforced, for compressed air. Specification. Original standard UNE-EN ISO 2398-2024 in PDF full version. Additional info + preview on request

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