De-energizing a non-intrinsically safe automatic fire sensor and warning systems after a main mine fan stoppage
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| Corporate Author: | |
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| Format: | Government Document Online Book |
| Language: | English |
| Published: |
U.S. Dept. of the Interior, Mine Safety and Health Administration,
2011
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| Series: | Program information bulletin ; |
| Subjects: | |
| Online Access: | http://purl.fdlp.gov/GPO/gpo19013 |
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| Physical Description: | 1 online resource (3 p.). |
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