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经营范围
发明名称
Full bore wellhead load shoulder and support ring
摘要
申请公布号
GB0709655(D0)
申请公布日期
2007.06.27
申请号
GB20070009655
申请日期
2005.05.17
申请人
COOPER CAMERON CORPORATION
发明人
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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