Control cirucit for a field start relay in a code type communication system,申请号US19570666360-传众专利搜索

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发明名称	Control cirucit for a field start relay in a code type communication system
摘要
申请公布号	US2976402(A)	申请公布日期	1961.03.21
申请号	US19570666360	申请日期	1957.06.18
申请人	GENERAL RAILWAY SIGNAL COMPANY	发明人	JUDGE THOMAS J.;SWANE PETER H.
分类号	B61L7/08;B61L25/06	主分类号	B61L7/08
代理机构		代理人
主权项
地址

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