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Methods for the petrographic analysis of bituminous coal and anthracite. Part 4. Method of determining microlithotype, carbominerite and minerite composition
STANDARD published on 1.1.1992
Designation standards: GOST 28823-90
Note: WITHDRAWN
Publication date standards: 1.1.1992
SKU: NS-391381
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: Russian technical standard
Category: Technical standards GOST
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