De-energizing a non-intrinsically safe automatic fire sensor and warning systems after a main mine fan stoppage
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Publication
2011 - U.S. Dept. of the Interior, Mine Safety and Health Administration, Arlington, Va, Virginia
Language
English
Word Count
0 words, Guess
Page Count
0 pages
Physical Format
Electronic resource
Identifiers
- OCLC Control Number776640697
- Open LibraryOL43892712M
Subjects
Series Statement
- Program information bulletin -- no. P11-51
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