Ultra low frequency electromagnetic fire alarm system for underground mines / by K.E. Hjelmstad and W.H. Pomroy.
Material type: TextSeries: Report of investigations ; 9377Publication details: [Washing, D.C.] : Bureau of Mines, U.S. Dept. of the Interior, 1991.Description: 11 p. : illSubject(s):Item type | Current library | Collection | Call number | Status | Notes | Date due | Barcode | |
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Vertical File | Matheson Library Vertical File | Vertical Files | 622.82 H677 (Browse shelf(Opens below)) | Available | Recat. (S/t. 2003). | 082904 |
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