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发明名称
Autonomous circulation, fill-up, and equalization valve
摘要
申请公布号
AU2006312120(A1)
申请公布日期
2007.05.18
申请号
AU20060312120
申请日期
2006.10.19
申请人
BAKER HUGHES INCORPORATED;GORDON MACKENZIE
发明人
GORDON MACKENZIE
分类号
E21B34/06
主分类号
E21B34/06
代理机构
代理人
主权项
地址
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