| 000 | 00484nab a2200169 4500 | ||
|---|---|---|---|
| 005 | 20260520001045.0 | ||
| 008 | 260224s2007 xxu | ||
| 245 | 0 | 0 | _aImproved top drive systems boost reliability, push capacity limits |
| 260 |
_a _b _csep./oct. 2007 |
||
| 270 | _a04/07/2011 ; 04/07/2011 | ||
| 300 | _a6 p. ; 18-20;22-24 | ||
| 581 | _a5 | ||
| 773 | 0 |
_tDrilling Contractor _g63 |
|
| 942 | _cARTICULO | ||
| 100 | 1 |
_aGreenberg, Jerry _910684 |
|
| 999 |
_c183450 _d183450 |
||