申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT N.V.;MEDVEDEV, OLEG OLEGOVICH;MEDVEDEV, ANATOLY VLADIMIROVICH |
发明人 |
MEDVEDEV, OLEG OLEGOVICH;MEDVEDEV, ANATOLY VLADIMIROVICH |