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经营范围
发明名称
Full bore wellhead load shouder and suupport ring
摘要
申请公布号
SG117557(A1)
申请公布日期
2005.12.29
申请号
SG20050002843
申请日期
2005.05.05
申请人
COOPER CAMERON CORPORATION
发明人
VANDERFORD, DELBERT, E.;GARRY LEE COCKER;BOK SOO YOOK
分类号
E21B33/04;E21B43/00
主分类号
E21B33/04
代理机构
代理人
主权项
地址
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