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Brown coals, hard coals, anthracites, coal briquettes and combustible shales. Methods for the determination of mineral impurities (rock) and smalls
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Hard coal and coke. Mechanical sampling. Part 6. Coke. Preparation of test samples
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Goods of household chemistry. General technical requirements
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Stationary distillation desalting units. Methods of chemical analysis of scale and slurries
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Petroleum paraffins. Method for determination of oil content
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Higher fatty alcohols. Method of carbonyl value determination
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