申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.;SHELL CANADA LIMITED;HOU, FU JOSEPH;KRIESELS, PETRUS CORNELIS;VAN NIEUWKOOP, PIETER;WUBBEN, ANTONIUS LEONARDUS MARIA |
发明人 |
HOU, FU JOSEPH;KRIESELS, PETRUS CORNELIS;VAN NIEUWKOOP, PIETER;WUBBEN, ANTONIUS LEONARDUS MARIA |