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经营范围
发明名称
Wellhead Assembly
摘要
申请公布号
EP1233145(A3)
申请公布日期
2003.08.27
申请号
EP20020100394
申请日期
1992.06.01
申请人
COOPER CAMERON CORPORATION
发明人
HOPPER, HANS PAUL;CASSITY, THOMAS GUS
分类号
E21B33/03;E21B33/035;E21B33/047;E21B34/02;E21B34/04;(IPC1-7):E21B33/035
主分类号
E21B33/03
代理机构
代理人
主权项
地址
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