| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c3944 _d3944 |
||
| 003 | Biblioteca INTEMIN | ||
| 005 | 20180603114949.0 | ||
| 007 | ta | ||
| 008 | 180527b xxu||||| |||| 00| 0 eng d | ||
| 041 | _ainglés | ||
| 080 | _a622 | ||
| 100 |
_aEmmerling, John E. _93547 |
||
| 245 |
_aDust suppression with water sprays during continuous coal mining operations _cEmmerling, John E.; Seibel, Richard J. |
||
| 260 |
_aWashington _bBureau of mines _c1975 |
||
| 300 | _a12 p. | ||
| 440 |
_aRI 8064 _97181 |
||
| 650 |
_aMINERIA _93338 |
||
| 650 |
_aMINING _92163 |
||
| 653 | _aMINAS DE CARBON | ||
| 653 | _aCONTROL DEL POLVO | ||
| 653 | _aCOAL MINES | ||
| 653 | _aDUST CONTROL | ||
| 700 |
_aSeibel, Richard J. _98202 |
||
| 942 |
_2udc _cCR |
||