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Isoprene rubber (IR). Preparation and testing of rubber compounds
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Styrene-butadiene rubber (SBR). Preparation and testing of rubber compounds
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Isobutene-isoprene rubber (IIR). Preparation and testing of rubber compounds
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Solution-polymerized butadiene rubber (BR). Preparation and testing of rubber compounds
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Cast iron, steel, ferroalloys, metallic chromium and manganese. Standards of accuracy of quantitative chemical analysis
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