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经营范围
发明名称
Apparatus for suspending a pipe within a well casing
摘要
申请公布号
AU2002309908(A1)
申请公布日期
2002.12.03
申请号
AU20020309908
申请日期
2002.05.17
申请人
DRIL-QUIP, INC.
发明人
JOHN M. YOKLEY
分类号
E21B23/01;E21B43/10;(IPC1-7):E21B23/00
主分类号
E21B23/01
代理机构
代理人
主权项
地址
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