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Mining. Methods for determining the risk of gassing of mine workings. General principles

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Textile. Test methods for nonwovens. Part 12. Determination of demand absorbency

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Urea for industrial use. Determination of iron content. Photometric method with use of 2,2'-bipyridyl

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Articulated connector devices with cast male and female parts for freight cars of articulated type. General technical specifications

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Coal tar pitch. Method for the determination of volatile matter

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Ductile iron fittings with parallel thread for pipelines. Straight four-way junction pieces. Basic dimensions

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