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发明名称
Relay
摘要
申请公布号
US2268261(A)
申请公布日期
1941.12.30
申请号
US19380225545
申请日期
1938.08.18
申请人
GENERAL RAILWAY SIGNAL COMPANY
发明人
MERKEL JOSEPH F.
分类号
H01H53/10
主分类号
H01H53/10
代理机构
代理人
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