000 01296cam a2200325 a 4500
999 _c685
_d685
001 1999503
003 Biblioteca de INTEMIN
005 20180426113210.0
008 900920s1991 dcua b f000 0 eng
010 _a 90049809
040 _aDLC
_cDLC
_dDLC
050 0 0 _aTN295
_b.U4 no. 9278
_aTN813
082 0 0 _a622 s
_a622/.48
_220
086 0 _aI 28.27:9278
100 1 _aYenchek, M. R.
_q(Michael R.)
_91766
245 1 0 _aImpact of current load on mine trailing cable thermal life /
_cby M.R. Yenchek and P.G. Kovalchik.
260 _aWashington, D.C. (2401 E St., N.W., MS #9800, Washington 20241-0001) :
_bU.S. Dept. of the Interior, Bureau of Mines,
_c1991.
300 _a11 p. :
_bill. ;
_c28 cm.
490 1 _aInformation circular ;
_v9278
504 _aIncludes bibliographical references (p. 11).
650 0 _aCoal mining machinery
_xElectric equipment
_xTesting.
_92241
650 0 _aElectric cables
_xThermal properties.
_92242
650 0 _aElectric currents
_xHeating effects.
_92243
650 0 _aPowerline ampacity.
_92244
700 1 _aKovalchik, Peter G.
_92245
830 0 _aInformation circular (United States. Bureau of Mines) ;
_v9278.
_9794
906 _a7
_bcbc
_corignew
_d1
_eocip
_f19
_gy-gencatlg
942 _2udc
_cCR