申请人 |
SHELL OIL COMPANY;SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.;ACKERMAN, RUSSELL, CRAIG;MICHEL, CHRISTIAN, GABRIEL;SMEGAL, JOHN, ANTHONY;VAN VEEN, JOHANNES, ANTHONIUS, ROBERT |
发明人 |
ACKERMAN, RUSSELL, CRAIG;MICHEL, CHRISTIAN, GABRIEL;SMEGAL, JOHN, ANTHONY;VAN VEEN, JOHANNES, ANTHONIUS, ROBERT |