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公开(公告)号:BRPI0619754A2
公开(公告)日:2011-10-18
申请号:BRPI0619754
申请日:2006-12-12
Applicant: WEATHERFORD LAMB
Inventor: GIROUX RICHARD LEE , LE TUONG THANH , THOMPSON GARY , HEIDECKE KARSTEN , LOENZ JOERG , BOUTWEDEL DOYLE FREDERIC JR , HAYES MICHAEL , PIETRAS BERND-GEORG , ODELL ALBERT C II
IPC: E21B19/16 , E21B33/16