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Plastics Determination of dynamic mechanical properties Part 2: Torsion-pendulum method (ISO 6721-2:2019). Original standard UNE-EN ISO 6721-2-2020 in PDF full version. Additional info + preview on request

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Lubricants, industrial oils and related products (class L). Classification - Family H (Hydraulic systems). Original standard UNE-EN ISO 6743-4-2015 in PDF full version. Additional info + preview on request

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Binders for paints and varnishes. Alkyd resins - Determination of phthalic anhydride content. Original standard UNE-EN ISO 6744-2-2004 in PDF full version. Additional info + preview on request

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Binders for paints and varnishes. Alkyd resins - Determination of unsaponifiable matter content. Original standard UNE-EN ISO 6744-3-2004 in PDF full version. Additional info + preview on request

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Binders for paints and varnishes. Alkyd resins - Determination of fatty acid content. Original standard UNE-EN ISO 6744-4-2004 in PDF full version. Additional info + preview on request

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Assembly tools for screws and nuts Hand torque tools Part 1: Requirements and methods for design conformance testing and quality conformance testing: minimum requirements for declaration of conformance (ISO 6789-1:2017). Original standard UNE-EN ISO 6789-1-2019 in PDF full version. Additional info + preview on request

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