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经营范围
发明名称
Pile driving mandrel
摘要
申请公布号
US3006152(A)
申请公布日期
1961.10.31
申请号
US19590807126
申请日期
1959.04.17
申请人
FREDRIC RUSCHE
发明人
RUSCHE FREDRIC
分类号
E02D7/30
主分类号
E02D7/30
代理机构
代理人
主权项
地址
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