000 01115cam a2200289 a 4500
999 _c1167
_d1167
001 3836149
003 Biblioteca del INTEMIN
005 20180503174137.0
008 860709s1986 paua b f000 0 eng
010 _a 86600240
040 _aDLC
_cDLC
_dDLC
050 0 0 _aTN23
_b.U43 no. 9046
_aTN292
082 0 0 _a622 s
_a622/.334
_219
086 0 _aI 28.23:9046
100 _aKovscek, P.D.
_93603
245 0 0 _aLongwall shearer performance using water-jet-assisted cutting /
_cKovscek, P.D.
260 _aPittsburgh, Pa. :
_bU.S. Dept. of the Interior, Bureau of Mines,
_c1986.
300 _a15 p. :
_bill. ;
_c28 cm.
490 1 _aReport of Investigations / Bureau of Mines ;
_v9046
504 _aBibliography: p. 11-12.
650 0 _aLongwall mining
_xEquipment and supplies
_xTesting.
_93604
650 0 _aWater jet cutting.
_92229
650 0 _aCoal-mining machinery
_xTesting.
_92366
700 1 _aKovscek, P. D.
_q(Paul D.)
_93308
830 0 _aReport of Investigations (United States. Bureau of Mines) ;
_v9046.
_9793
906 _a7
_bcbc
_corignew
_d1
_encip
_f19
_gy-gencatlg
942 _2udc
_cCR