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发明名称
Trolley wire support
摘要
申请公布号
US2287752(A)
申请公布日期
1942.06.23
申请号
US19350056973
申请日期
1935.12.31
申请人
THE OHIO BRASS COMPANY
发明人
MATTHES SAMUEL S.
分类号
B60M1/20
主分类号
B60M1/20
代理机构
代理人
主权项
地址
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