Russian standards PDF
Brown coals, hard coals, and anthracite. Method for determination of hygroscopic moisture
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Hard coal. Determination of caking power by Gray-King coke method
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Hard coals. Method for the determination of the yield of chemical coking products
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Brown coals, hard coals and anthracites. Classification by ranks and classes according to reflectance index of vitrinite
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Brown coals, hard coals and anthracite. Method for determination of microhardness and microbrittleness
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Solid mineral fuel. Method for the determination of free calcium oxide in the ash
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