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发明名称
SEALING SYSTEM AND METHOD
摘要
申请公布号
SG109997(A1)
申请公布日期
2005.04.28
申请号
SG20020006565
申请日期
2002.10.29
申请人
DRIL-QUIP, INC.
发明人
MILBERGER, LIONEL, J.;REIMERT, LARRY, E.
分类号
E21B33/00;E21B33/04;E21B33/12;(IPC1-7):F16J15/06
主分类号
E21B33/00
代理机构
代理人
主权项
地址
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