 PDC steel bit 94 |
2017-08-02 |
| Bz-25 core sampling rig |
2017-08-02 |
| PDC PDC bit 657594113133153 |
2017-08-02 |
| Gear pump assembly 3034219 |
2017-08-02 |
| Model 250/60 mud pump |
2017-08-02 |
| 8-29 transverse arm of water pump |
2017-08-02 |
| Drilling machine speed reducer XY-1A |
2017-08-02 |
| XY-1 transmission assembly |
2017-08-02 |
| GK-180 type exploratory drilling rig |
2017-08-02 |
| High speed drilling machine GK200 (YJ) |
2017-08-02 |
