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经营范围
发明名称
Latch mechanism guide
摘要
申请公布号
GB0618653(D0)
申请公布日期
2006.11.01
申请号
GB20060018653
申请日期
2005.04.01
申请人
BAKER HUGHES INCORPORATED
发明人
分类号
E21B31/18;E21B31/20
主分类号
E21B31/18
代理机构
代理人
主权项
地址
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