| 申请人 |
THE BRITISH PETROLEUM CO. P.L.C., LONDON, GB |
发明人 |
ASTBURY, CHRISTOPER JOHN, THE BRITISH PETROLEUM, SUNBURY-ON-THAMES, MIDDLESEX TW16 7LN, GB;GRIFFITHS, DAVID CHARLES, THE BRITISH PETROLEU, SUNBURY-ON-THAMES, MIDDLESEX TW16 7LN, GB;HOWARD, MARK JULIAN, BP CHEMICALS LIMITED, HEDON, HULL HU12 8DS, GB;REID, IAN ALLAN BEATTIE, THE BRITISH PETROLEUM, SUNBURY-ON-THAMES, MIDDLESEX TW16 7LN, GB |
