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发明名称
Time element relay
摘要
申请公布号
US2132109(A)
申请公布日期
1938.10.04
申请号
US19350011517
申请日期
1935.03.16
申请人
GENERAL RAILWAY SIGNAL COMPANY
发明人
HITCHCOCK FOREST B.
分类号
H01H47/18;H01H50/88
主分类号
H01H47/18
代理机构
代理人
主权项
地址
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