An edition of Ultra low frequency electromagnetic fire alarm system for underground mines
(1991)
Ultra low frequency electromagnetic fire alarm system for underground mines
by Kenneth E. Hjelmstad
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Ultra low frequency electromagnetic fire alarm system for underground mines
1991, U.S. Dept. of the Interior, Bureau of Mines
in English
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Ultra low frequency electromagnetic fire alarm system for underground mines
1991, U.S. Dept. of the Interior, Bureau of Mines
in English
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Book Details
Edition Notes
91010026 t_oclc
Bibliogr.
11
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The Physical Object
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| December 4, 2010 | Edited by Open Library Bot | Added subjects from MARC records. |
| December 4, 2010 | Edited by Open Library Bot | Added subjects from MARC records. |
| December 10, 2009 | Created by WorkBot | add works page |