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经营范围
发明名称
Trolley wire support
摘要
申请公布号
US2239656(A)
申请公布日期
1941.04.22
申请号
US19400331452
申请日期
1940.04.24
申请人
UNITED ELECTRIC RAILWAYS COMPANY
发明人
SPARHAWK CORREL O.
分类号
B60M1/24
主分类号
B60M1/24
代理机构
代理人
主权项
地址
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