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Admixtures for concretes and mortars. General specifications

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Surface active agents. Method for determination of biodegradability in aqueous medium

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Liquid technical and medical oxygen. Specifications

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Ethanol for industrial use. Methods of test. Determination of aldehydes content. Visual colorimetric method

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Face belt conveyers. General specifications

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Hard coal and coke. Mechanical sampling. Part 7. Methods for determining the precision of sampling, sample preparation and testing

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