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000032476 008__ 800512s1978\\\\paua\\\\\b\\\f00010\eng\d
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000032476 035__ $$a32476
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000032476 049__ $$aISEA$$c1 [108247]
000032476 090__ $$aTN23$$b.U44 1979-117
000032476 099__ $$aTN23 .U44 1979-117
000032476 1001_ $$aMorley, Lloyd A.
000032476 24510 $$aEvaluation of coal mine electrical system safety /$$cprepared for United States Department of the Interior, Bureau of Mines by Department of Mineral Engineering, the Pennsylvania State University ; [Lloyd A. Morley, Frederick C. Trutt, Jeffery L. Kohler].
000032476 260__ $$aUniversity Park :$$bDept. of Mineral Engineering,$$c1978.
000032476 300__ $$a43 leaves :$$bdiagrs. ;$$c28 cm.
000032476 4900_ $$aU.S. Bureau of Mines ; 1979-117
000032476 504__ $$aBibliography: leaf 43.
000032476 650_0 $$aElectricity in mining$$xSafety measures.
000032476 650_0 $$aCoal mines and mining$$xSafety measures.
000032476 85200 $$bgen$$hTN23 .U44 1979-117
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000032476 980__ $$aBIB
000032476 980__ $$aBOOK