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Petroleum, petrochemical and natural gas industries. Pressure-relieving and depressuring systems. Original standard BS EN ISO 23251-2020 in PDF full version. Additional info + preview on request

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Soil quality. Test for measuring the inhibition of reproduction in oribatid mites (Oppia nitens) exposed to contaminants in soil. Original standard BS EN ISO 23266-2021 in PDF full version. Additional info + preview on request

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Animal and vegetable fats and oils. Cocoa butter equivalents in cocoa butter and plain chocolate. Determination of the presence of cocoa butter equivalents. Original standard BS EN ISO 23275-1-2008 in PDF full version. Additional info + preview on request

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Animal and vegetable fats and oils. Cocoa butter equivalents in cocoa butter and plain chocolate. Quantification of cocoa butter equivalents. Original standard BS EN ISO 23275-2-2008 in PDF full version. Additional info + preview on request

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Non-destructive testing of welds. Penetrant testing. Acceptance levels. Original standard BS EN ISO 23277-2015 in PDF full version. Additional info + preview on request

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Non-destructive testing of welds. Magnetic particle testing. Acceptance levels. Original standard BS EN ISO 23278-2015 in PDF full version. Additional info + preview on request

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