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Fertilizers. Extraction of phosphorous soluble in 2 % citric acid
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The alcohol production and raw material for it producing. Method of ethyl alcohol determination
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Three- and four-axle bogies of freight cars. General technical requirements
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Electrica wiring. Maintaining operability in the conditions of the standard temperature regime of afire. Test methodsElectrica wiring. Maintaining operability in the conditions of the standard temperature regime of afire. Test methods
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