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Hard coal. Determination of the relative degree of oxidation by the method of alkali extraction
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Petroleum products. Aviation and distillate fuels. Determination of electrical conductivity
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Barite concentrate. Method for determination of water soluble salts and water soluble calcium
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Heat exchanger apparatuses and air cooling apparatuses. Tube expanding in tube-sheets. General technical requirements
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Halogenated organic solvents and their admixtures. Methods for determination of water
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