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发明名称
Overhead trolley frog and switch
摘要
申请公布号
US2359437(A)
申请公布日期
1944.10.03
申请号
US19430486910
申请日期
1943.05.13
申请人
THE OHIO BRASS COMPANY
发明人
MATTHES SAMUEL S.
分类号
B60M1/14
主分类号
B60M1/14
代理机构
代理人
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地址
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