申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER TECHNOLOGY B.V.;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER CANADA LIMITED;PRAD RESEARCH AND DEVELOPMENT LIMITED;CONTANT, MATTHE;LEMENAGER, ERWANN;MERLAU, DAVID;MOHAN, AMIT |
发明人 |
CONTANT, MATTHE;LEMENAGER, ERWANN;MERLAU, DAVID;MOHAN, AMIT |