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发明名称
Electric rail bond
摘要
申请公布号
US2074379(A)
申请公布日期
1937.03.23
申请号
US19320641596
申请日期
1932.11.07
申请人
EVERETT EDWARD A
发明人
EVERETT EDWARD 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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