| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c3625 _d3625 |
||
| 003 | Biblioteca INTEMIN | ||
| 005 | 20180530112404.0 | ||
| 007 | Libro | ||
| 008 | 180530b xxu||||| |||| 00| 0 eng d | ||
| 041 | _aEN | ||
| 080 | _a622 | ||
| 100 |
_aNagy, John. _97251 |
||
| 245 | _aControl of the dust explosion hazard on coal mine shuttle-car runways | ||
| 260 |
_aWashington _bBureau of Mines _c1970 |
||
| 300 |
_a16 p. _bil _c26 cm |
||
| 440 |
_aRI _v7446 _97855 |
||
| 650 |
_aexplosions _91271 |
||
| 650 |
_amines _97094 |
||
| 650 |
_amining _92090 |
||
| 650 |
_adust _92792 |
||
| 653 | _aDust explosions | ||
| 653 | _aDust control | ||
| 653 | _aCoal mines | ||
| 700 |
_aBarrett, Edward A. _92568 |
||
| 700 |
_aKawenski, Edward M _97856 |
||
| 942 | _cBK | ||