Russian standards PDF
Iron ores, concentrates, agglomerates and pellets. Methods of sampling and preparation of samples for physical tests
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Non-destructive testing. Radio wave apparatus. General technical requirements
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Fodder. Determination of ammonia nitrogen content and actual acidity
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Metal-cutting machine tools. Methods of checking cylindrical specimens for size constancy within one batch
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Soils. Determination of mobile compounds of phosphorus and potassium by Chiricov method modified by CINAO
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