(Q790674)
Statements
Identifiers
subbituminous coal
Otto C. Kopp
0 references
Sitelinks
Wikipedia(5 entries)
- enwiki Sub-bituminous coal
- idwiki Sub-bituminus
- thwiki ซับบิทูมินัส
- trwiki Alt bitümlü kömür
- zhwiki 次烟煤
lower grade of coal that contains 35–45% carbon