Impact of using auxiliary fans on coal mine ventilation efficiency and cost /
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| Corporate Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
[Washington] :
United States. Dept. of the interior, Bureau of Mines,
1990.
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| Series: | Report of investigations (United States.
9307 |
| Subjects: | |
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