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经营范围
发明名称
Rail anchor
摘要
申请公布号
US1764011(A)
申请公布日期
1930.06.17
申请号
US19290373198
申请日期
1929.06.24
申请人
ERICSON CHARLES G
发明人
ERICSON CHARLES G.
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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