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经营范围
发明名称
HYDRAULIC VALVE
摘要
申请公布号
GB8411514(D0)
申请公布日期
1984.06.13
申请号
GB19840011514
申请日期
1984.05.04
申请人
GEWERKSCHAFT EISENHUTTE WESTFALIA
发明人
分类号
E21D15/51;(IPC1-7):E21D/
主分类号
E21D15/51
代理机构
代理人
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