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Raw clay in the production of clay powders for drilling muds. Method of determination of mass fraction of sand
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Petroleum and petroleum products. Determination of the ageing behaviour of inhibited oils and fluids. TOST method. Part 1. Mineral oils
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Centrifuges for dewatering products of coal. Types, basic parameters and technical requirements
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Molybdenum concentrates. Methods of chemical analysis. General requirements
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