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发明名称
Polar relay
摘要
申请公布号
US2314228(A)
申请公布日期
1943.03.16
申请号
US19410410724
申请日期
1941.09.13
申请人
GENERAL RAILWAY SIGNAL COMPANY
发明人
LITTLE ROBERT J.;JUDGE THOMAS J.
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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