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发明名称
High pressure and temperature seal for downhole use
摘要
申请公布号
GB2413347(B)
申请公布日期
2006.07.05
申请号
GB20050015158
申请日期
2003.05.16
申请人
BAKER HUGHES INCORPORATED
发明人
RONALD D WILLIAMS;EDWARD W WELCH JR
分类号
E21B33/12;E21B47/01
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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