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Iron ores, concentrates, agglomerates and pellets. Methods for the determination of nickel protoxide

Document status: Active

Heat exchanger apparatuses and air cooling apparatuses. Tube expanding in tube-sheets. General technical requirements

Document status: Active

Sorbents. Method for reduction and dispersion of samples

Document status: Active

Diesel fuel. Determination of cetane index by calculation method

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Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 2. Measuring-system characteristics and statistics for processing of data

Document status: Replaced by GOST 31371.2-2020

Pyropowders and varnish powders. Methods for determination of graphite fraction of total mass

Document status: Active