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经营范围
发明名称
Expansible mandrel
摘要
申请公布号
US3174290(A)
申请公布日期
1965.03.23
申请号
US19610109932
申请日期
1961.05.15
申请人
CANONIE CONSTRUCTION COMPANY
发明人
MALONEY ALBERT J.;ABBEY LORENZO D.
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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