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发明名称
Rail bonding
摘要
申请公布号
US1852694(A)
申请公布日期
1932.04.05
申请号
US19250071378
申请日期
1925.11.25
申请人
THE ELECTRIC RAILWAY IMPROVEMENT COMPANY
发明人
CADWELL CHARLES A.
分类号
B60M5/00
主分类号
B60M5/00
代理机构
代理人
主权项
地址
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