Oxidized pit coals and anthracite of the kuznetsk basin and the gorlovsky basin. Classification
|
Coals of the south-yakut wasin. Classification
|
Brown coals, hard coals, anthracites, combustible shales, turf and briquettes. Accuracy of weighting
|
Coal. Terms and definitions
|
Coal. Preparation. Terms and definitions
|
Wrown. Hard coals and anthracite of north-east regions. Classification
|
Brown coals, hard coals and anthracite. Size classification
|
Peat. Terms and definitions
|
Brown coals, hard coals and anthracites. Classification according to genetic and technological parameters
|
Brown coals (low rank coals). Codification
|
Hard coals and anthracites (medium and high rank coals). Codification
|
Oxidized pit and anthracites of Kuznets and Gorlovsky basins. Classification
|
