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经营范围
发明名称
Wellhead assembly
摘要
申请公布号
AU725989(B2)
申请公布日期
2000.10.26
申请号
AU19970046761
申请日期
1997.11.28
申请人
COOPER CAMERON CORPORATION
发明人
DAVID GARNHAM;BRIAN HART;CRAIG DUELL
分类号
E21B33/035;E21B34/04;(IPC1-7):E21B33/03;E21B34/02
主分类号
E21B33/035
代理机构
代理人
主权项
地址
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