검색결과 : 1건
| No. | Article |
|---|---|
| 1 |
Retractable bits development and application Gelfgat M, Alikin R Journal of Energy Resources Technology-Transactions of The ASME, 120(2), 124, 1998 |
| No. | Article |
|---|---|
| 1 |
Retractable bits development and application Gelfgat M, Alikin R Journal of Energy Resources Technology-Transactions of The ASME, 120(2), 124, 1998 |