GOST R 59244-2020
Methods for the petrographic analysis of coals. Part 4. Method of determining microlithotype, carbominerite and minerite composition

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GOST R 59244-2020

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GOSTR

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GOST R 59244-2020

GOST R 59244-2020 history

• 1970 GOST R 59244-2020 Methods for the petrographic analysis of coals. Part 4. Method of determining microlithotype, carbominerite and minerite composition