申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V., DEN HAAG/S'GRAVENHAGE, NL |
发明人 |
CORNISH, ALEXANDER, GROVEHURST PARK ESTATE SITTINGBOURNE, GB;GREENWOOD, JACQUELINE ANNE, LEICESTER, GB;LINTON, JOHN DUDLEY, SITTINGBOURNE, GB;JONES, COLIN WILLIAM, LEICESTER, GB |