Rail operated circuit controller,申请号US19380193180-传众专利搜索

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发明名称	Rail operated circuit controller
摘要
申请公布号	US2128164(A)	申请公布日期	1938.08.23
申请号	US19380193180	申请日期	1938.02.28
申请人	NACHOD & UNITED STATES SIGNAL COMPANY, INCORPORATED	发明人	RICHTERKESSING FRANK H.
分类号	B61L1/06	主分类号	B61L1/06
代理机构		代理人
主权项
地址

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