000 | nam a22 7a 4500 | ||
---|---|---|---|
999 |
_c2804 _d2804 |
||
003 | Biblioteca-INTEMIN | ||
005 | 20180522195157.0 | ||
008 | 180522b xxu||||| |||| 00| 0 eng d | ||
080 | _a622.648.6 | ||
100 |
_aBowers, E.T. _96515 |
||
245 |
_aSafety aspects of pneumatic transport _cBowers, E.T. |
||
260 |
_aWashington _bBureau of mines _c1985 |
||
650 |
_aSEGURIDAD EN LAS MINAS _95265 |
||
650 |
_aTRANSPORTE NEUMATICO _96516 |
||
650 |
_aMINERIA _965 |
||
942 | _cBK |