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Joints of tubes with tube-plates and collectors of heat exchangers. Requirements to the typical technology for making tube to tube-plate joints by means of explosion energy of explosives
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Petroleum products and lubricants. Method of classification. Definition of classes
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Manganese ores concentrates and agglomerates. Method of the determination degree of homogeneity on the basis of chemical grain
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Titanomagnetite ores, ironvanadium concentrates, agglomerates and pellets. Methods for determination of manganese oxide
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