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发明名称
Rail anchor
摘要
申请公布号
US1842061(A)
申请公布日期
1932.01.19
申请号
US19300474957
申请日期
1930.08.13
申请人
THE P & M COMPANY
发明人
ARMSTRONG VICTOR C.
分类号
E01B13/02
主分类号
E01B13/02
代理机构
代理人
主权项
地址
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