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Greenhouse grounds. Method for determination of water-soluble phosphorus

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Switching surges protection devices of coal mines underground electrical networks

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Peat and products of its processing for agriculture. Method for determination of total content of calcium and magnesium carbon

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Peat and products of its processing for agriculture. Method for determination of hydrolytic acidity

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Peat and products of its processing for agriculture. Method for determination of mobile forms of potassium

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Manganese ores, concentrates and agglomerates. Method for determination of mass loss on ignition

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