申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER TECHNOLOGY B.V.;SCHLUMBERGER HOLDING LIMITED;SCHLUMBERGER CANADA LIMITED;SOFITECH N.V.;LE ROY-DELAGE, SYLVAINE;MARTIN-BEUREL, MURIEL;KEITH, DISMUKE;NELSON, ERIK |
发明人 |
LE ROY-DELAGE, SYLVAINE;MARTIN-BEUREL, MURIEL;KEITH, DISMUKE;NELSON, ERIK |