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| steam coal; low volatile dry coal | |||
| low-volatile coking steam coal | |||
| low-volatile bituminous coal (US) | |||
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| free coal; lean coal; Pennsylvanian anthracite; smokeless coal; steam coal | |||
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| bituminous coal trois quarts gras | |||
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Esskohle : 1 phrases, 1 sujets |
| Général | 1 |