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发明名称
TUBULAR VALVING SYSTEM AND METHOD
摘要
申请公布号
EP2464814(A2)
申请公布日期
2012.06.20
申请号
EP20100808582
申请日期
2010.08.09
申请人
BAKER HUGHES INCORPORATED
发明人
FAY, PETER J.
分类号
E21B34/10;E21B34/14
主分类号
E21B34/10
代理机构
代理人
主权项
地址
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