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Surface active agents. Sulfated ethoxylated alcohols and alkylphenols. Estimation of the mean relative molecular mass
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Iron ores, concentrates, agglomerates and pellets. Methods of sampling and sample preparation for chemical analysis and determination of moisture content
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Surface active agents. Determination of mineral sulfate content. Titrimetric method
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Goods of household chemistry. Method for determination of efficiency of rust removal from solid surface
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Mining equipment. Longwall powered roof shocks. Section of support. General specifications
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