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经营范围
发明名称
Electrical relay
摘要
申请公布号
US2353392(A)
申请公布日期
1944.07.11
申请号
US19420446967
申请日期
1942.06.13
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
CRAGO PAUL H.
分类号
H01H51/22
主分类号
H01H51/22
代理机构
代理人
主权项
地址
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