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Petroleum products. Determination of density, relative density and API gravity of liquids by digital density meter

Document status: Active

Gasolines. Determination of the stability under accelerated oxidation conditions (induction period)

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Molybdenum concentrates. Method for the determination of bismuth content

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Coal briquettes. Methods for the determination of mechanical strength

Document status: Replaced by GOST 21289-2018

Solid biofuel. Fuel specifications and classes. Part 5. Graded firewood

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Automatic gas analyzer for coal mine. General technical requirements

Document status: Active