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Clay raw materials. Method for determination of free silicon dioxide

Document status: Replaced by GOST 21216-2014

Hard-metals bits for core exploratory drilling in medium hard. Specifications

Document status: Active

Petroleum products. Methods for calculating viscosity index

Document status: Replaced by GOST 25371-97

Carbonaceous materials used in the production of aluminium. Baked anodes. Determination of the reactivity to carbon dioxide. Part 1. Loss in mass method

Document status: Active

Ethyl alcohol for industrial use. Method for determination of alkali

Document status: Withdrawn

Compressed air. Part 5. Test methods for oil vapour and organic solvent content

Document status: Active