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Coals of Yakutia for power supply and technological purposes. Specification
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Niobium pentoxide. Coulonometry method for determination of sulfur content
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Standard practice for analysis of halogenated organic solvents and their admixtures by gas chromatography
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State system for ensuring the uniformity of measurements. Brown coals, bituminous coals, anthracite. Infrared thermogravimetric method of total moisture determination
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