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发明名称
Rail anchor
摘要
申请公布号
US2132367(A)
申请公布日期
1938.10.04
申请号
US19370120785
申请日期
1937.01.15
申请人
POOR & COMPANY
发明人
WOLHAUPTER DAVID P.
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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