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Plastics. Unsaturated polyester resins. Measurement of gel time at ambient temperature. Original standard BS EN ISO 2535-2002 in PDF full version. Additional info + preview on request

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Hydrometric uncertainty guidance (HUG). Original standard BS EN ISO 25377-2022 in PDF full version. Additional info + preview on request

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Geometrical product specifications (GPS). Characteristics and conditions. Definitions. Original standard BS EN ISO 25378-2011 in PDF full version. Additional info + preview on request

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Geometrical product specifications (GPS). Wedges. Series of angles and slopes. Original standard BS EN ISO 2538-1-2014 in PDF full version. Additional info + preview on request

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Geometrical product specifications (GPS). Wedges. Dimensioning and tolerancing. Original standard BS EN ISO 2538-2-2014 in PDF full version. Additional info + preview on request

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Oil and gas industries including lower carbon energy. Flare details for general refinery and petrochemical service. Original standard BS EN ISO 25457-2023 in PDF full version. Additional info + preview on request

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