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发明名称
Electrical relay
摘要
申请公布号
US2426970(A)
申请公布日期
1947.09.02
申请号
US19440542561
申请日期
1944.06.28
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
HUFNAGEL ANDREW
分类号
H01H51/32
主分类号
H01H51/32
代理机构
代理人
主权项
地址
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