| 000 | 00606nab a2200181 4500 | ||
|---|---|---|---|
| 005 | 20260520000750.0 | ||
| 008 | 260224s2008 xxu | ||
| 245 | 0 | 0 | _aDrill bits are becoming system components |
| 260 |
_a _b _cmarzo 2008 |
||
| 270 | _a22/04/2008 ; 22/04/2008 | ||
| 300 | _a4 p. ; 49-52 | ||
| 520 | _aManufacturers are engineering bits as integrated components of a system that extends from the end of the drill string to topside to company head-quarters | ||
| 581 | _a3 | ||
| 773 | 0 |
_tE & P _g81 |
|
| 942 | _cARTICULO | ||
| 700 | 1 |
_aFrancis, Don _939230 |
|
| 999 |
_c167966 _d167966 |
||