Intermittent inductive train-control system,申请号US19290378322-传众专利搜索

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发明名称	Intermittent inductive train-control system
摘要
申请公布号	US1794547(A)	申请公布日期	1931.03.03
申请号	US19290378322	申请日期	1929.07.15
申请人	GENERAL RAILWAY SIGNAL COMPANY	发明人	REICHARD WADE H.
分类号	B61L3/12	主分类号	B61L3/12
代理机构		代理人
主权项
地址

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