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发明名称
Relay
摘要
申请公布号
US2536162(A)
申请公布日期
1951.01.02
申请号
US19470782211
申请日期
1947.10.25
申请人
GENERAL RAILWAY SIGNAL COMPANY
发明人
FIELD OSCAR S.
分类号
H01H51/22
主分类号
H01H51/22
代理机构
代理人
主权项
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