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Concentrated kaolin. Method for determination of hydrogen ions concentration of water suspension

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Portable rock drills. Drill rod shanks and chucks. Types and dimensions

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Steel enamelled collectors. Types, basic parameters and dimensions

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Niobium pentoxide. Method for the determination of potassium and sodium content

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Petroleum Products. lubricating oils and additives. Determination of sulphated ash

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Brown coals, hard coals, anthracite and combustible shales. Method for sampling of seam samples

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