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发明名称
KIESPACKUNGSFILTER FÜR BOHRLOCHKOMPLETTIERUNGEN
摘要
申请公布号
AT184959(T)
申请公布日期
1999.10.15
申请号
AT19930918540T
申请日期
1993.07.30
申请人
ATLANTIC RICHFIELD COMPANY
发明人
CORNETTE, HOLLEY, M.;BETHEL, ROBERT, K.;PETERSEN, ELMER, RICHARD
分类号
E21B17/22;E21B43/04;E21B43/08;(IPC1-7):E21B43/04;E21B43/10
主分类号
E21B17/22
代理机构
代理人
主权项
地址
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