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Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 4. Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns
Document status: Active
Clay raw materials. Method for determination of calcium and magnesium in water extract
Document status: Replaced by GOST 21216-2014
Heading machines having cutter heads mounted on booms. Test methods
Document status: Replaced by GOST R 50703-2002
Industrial explosives. Test methods in methanair and dust air mixtures
Document status: Replaced by GOST 7140-98