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经营范围
发明名称
A manifold
摘要
申请公布号
GB9604557(D0)
申请公布日期
1996.05.01
申请号
GB19960004557
申请日期
1996.03.04
申请人
WOOD GROUP ENGINEERING LIMITED
发明人
分类号
E21B43/017
主分类号
E21B43/017
代理机构
代理人
主权项
地址
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