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Iron ores, concentrates, agglomerates and pellets. General requirements to the methods of chemical analyses
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Essential oils. Quantitative evaluation of residue on evaporation
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Ammonium sulphate technical. Determination of free acid content. Titrimetric method
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Petroleum and natural gas industries. Drilling and production equipment. Hoisting equipment. General technical requirements
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Solid biofuels. Fuel quality assurance. Part 5. Firewood for non-industrial use
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