| 申请人 |
BAKER HUGHES INCORPORATED;ZAHRADNIK, ANTON, F.;NGUYEN, DON, Q.;MCCORMICK, RON, D.;KOLTERMANN, TERRY, J.;VEASEY, MICHAEL, J.;DICK, AARON, J. |
发明人 |
ZAHRADNIK, ANTON, F.;NGUYEN, DON, Q.;MCCORMICK, RON, D.;KOLTERMANN, TERRY, J.;VEASEY, MICHAEL, J.;DICK, AARON, J. |
