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Feldspar and quartzfeldapar raw material for glass industry. Specifications
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Production and preparation waste of coal. Classification
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Petroleum asphalts. Determination of viscosity by vacuum capillary viscometer
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Wood-chemical products. Method for determination of free resin acids
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Crude petroleum and liquid petroleum products. Laboratory hydrometer method for determination of density
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Essential oils, aromatics and their intermediates. Methods for determination of peroxides
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