| 申请人 |
THE BRITISH PETROLEUM CO. P.L.C., LONDON, GB |
发明人 |
HARDMAN, STEPHEN, THE BRITISH PETROLEUM CO. P.L.C., SUNBURY-ON-THAMES, MIDDLESEX TW16 7LN, GB;WOODFIN, WILLIAM T., THE BRITISH PETROLEUM CO. PLC, SUNBURY-ON-THAMES, MIDDLESEX TW16 7LN, GB;RUHL, ROBERT C., CLEVELAND HEIGHTS, OHIO 44106, GB |
