검색결과 : 1건
| No. | Article |
|---|---|
| 1 |
Eccentric bottom-hole drilling assemblies for well's drilling and side-tracking Dorodnov IP Neftyanoe Khozyaistvo(1), 22, 2000 |
| No. | Article |
|---|---|
| 1 |
Eccentric bottom-hole drilling assemblies for well's drilling and side-tracking Dorodnov IP Neftyanoe Khozyaistvo(1), 22, 2000 |