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发明名称
Rotating blow out preventer
摘要
申请公布号
EP1627986(B1)
申请公布日期
2007.04.04
申请号
EP20050255125
申请日期
2005.08.18
申请人
SUNSTONE CORPORATION
发明人
HUGHES, WILLIAM JAMES;RICHARDSON, MURL RAY
分类号
E21B33/08;E21B
主分类号
E21B33/08
代理机构
代理人
主权项
地址
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