000 | 01115cam a2200289 a 4500 | ||
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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 |