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发明名称
Arc suppressing means
摘要
申请公布号
US2339858(A)
申请公布日期
1944.01.25
申请号
US19420448175
申请日期
1942.06.23
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
HUFNAGEL ANDREW
分类号
H01H9/54
主分类号
H01H9/54
代理机构
代理人
主权项
地址
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