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Ground feldsparic and quartzfeldsparic materials. Types, marks and basic parameters
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Chromium ores and concentrates. Methods for determination of total carbon
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Oils and additives to them. Methods for determination of corrodibility
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Liquid hydrocarbon fuels. Determination of the heat of combustion by bomb calorimeter (precision method)
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Benzene hydrocarbons and allied products. Method of determination of appearance and colour
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