申请人 |
BP EXPLORATION OPERATING COMPANY LIMITED;DAVY PROCESS TECHNOLOGY LIMITED;FONT FREIDE, JOSEPHUS, JOHANNES, HELENA, MARIA;LENG, STEPHEN, ANTHONY;GRIFFITHS, DAVID, CHARLES |
发明人 |
FONT FREIDE, JOSEPHUS, JOHANNES, HELENA, MARIA;LENG, STEPHEN, ANTHONY;GRIFFITHS, DAVID, CHARLES |