申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER TECHNOLOGY B.V.;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER CANADA LIMITED;PRAD RESEARCH AND DEVELOPMENT LIMITED;KHERROUBI, JOSSELIN;ETCHECOPAR, ARNAUD;ONDA, HITOSHI |
发明人 |
KHERROUBI, JOSSELIN;ETCHECOPAR, ARNAUD;ONDA, HITOSHI |