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Reference materials. Contents of certificates, labels and accompanying documentation. Original standard BS ISO 33401-2024 in PDF full version. Additional info + preview on request

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Reference materials. Requirements and recommendations for use. Original standard BS ISO 33403-2024 in PDF full version. Additional info + preview on request

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Reference materials. Approaches for characterization and assessment of homogeneity and stability. Original standard BS ISO 33405-2024 in PDF full version. Additional info + preview on request

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Approaches for the production of reference materials with qualitative properties. Original standard BS ISO 33406-2024 in PDF full version. Additional info + preview on request

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Guidance for the production of pure organic substance certified reference materials. Original standard BS ISO 33407-2024 in PDF full version. Additional info + preview on request

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Textile glass. Yarns. Determination of breaking force and breaking elongation. Original standard BS ISO 3341-2000 in PDF full version. Additional info + preview on request

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