Petrographic analysis of bituminous coal and anthracite, Glossary of terms relating to the petrographic analysis of bituminous coal and anthracite— 8 стр.
75.160.10 Solid. Including coal products, coke, peat, wood, derivatives of coal pyrolysis, etc. / Твердое топливо. Включая угольные продукты, кокс, торф, древесину и т.д.