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发明名称
Emergency rail jointing unit
摘要
申请公布号
US1991105(A)
申请公布日期
1935.02.12
申请号
US19330664982
申请日期
1933.04.07
申请人
RUSSEL LEWIS JAMES
发明人
LEWIS JAMES RUSSEL
分类号
E01B11/18
主分类号
E01B11/18
代理机构
代理人
主权项
地址
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