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Determination of regulated substances in electrotechnical products. Part 7-2. Hexavalent chromium. Determination of hexavalent chromium Cr(VI) in polymers and electronics by the colorimetric method
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Textiles. Quantitative chemical analysis. Part 11. Mixtures of cellulose and polyester fibres (method using sulfuric acid)
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Сonfectionery. Guidelines for setting and confirming expiration dates
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Automatic emission and discharge control systems. Cable routes. General requirements
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