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公开(公告)号:AT11080T
公开(公告)日:1985-01-15
申请号:AT80300664
申请日:1980-03-05
Applicant: THE BRITISH PETROLEUM COMPANY P.L.C.
Inventor: FRANKS, MALCOLM CARPENTER , LTD. CHERTSEY ROAD , PEACOCK, DANIEL JOHN ALAN , LTD. CHERTSEY ROAD
IPC: G01N31/22 , G01N33/18