검색결과 : 1건
| No. | Article |
|---|---|
| 1 |
Elastic centralizers TOBUS for directional drilling Potashnikov VD, Sakovich ES Neftyanoe Khozyaistvo(1), 28, 1998 |
| No. | Article |
|---|---|
| 1 |
Elastic centralizers TOBUS for directional drilling Potashnikov VD, Sakovich ES Neftyanoe Khozyaistvo(1), 28, 1998 |