申请人 |
GECO TECHNOLOGY B.V.;SCHLUMBERGER CANADA LIMITED;WESTERNGECO L. L. C.;MUYZERT, EVERHARD;COOPER, IAIN;BITTLESTON, SIMON;COMBEE, LEENDERT;ROSS, ROBERT;WELKER, KENNETH, E. |
发明人 |
MUYZERT, EVERHARD;COOPER, IAIN;BITTLESTON, SIMON;COMBEE, LEENDERT;ROSS, ROBERT;WELKER, KENNETH, E. |