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发明名称
Rail joint shim device
摘要
申请公布号
US1851409(A)
申请公布日期
1932.03.29
申请号
US19310575610
申请日期
1931.11.17
申请人
THE RAIL JOINT COMPANY
发明人
SCHERMERHORN EDWARDS F.
分类号
E01B11/54
主分类号
E01B11/54
代理机构
代理人
主权项
地址
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