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发明名称
Railroad track working equipment
摘要
申请公布号
US3144833(A)
申请公布日期
1964.08.18
申请号
US19610091225
申请日期
1961.02.23
申请人
MANNIX CO., LTD.
发明人
CHRISTOFF JAMES W.;PEPPIN RICHARD A.
分类号
E01B27/11;E01B29/10
主分类号
E01B27/11
代理机构
代理人
主权项
地址
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