Coded track circuit signaling system,申请号US19420466406-传众专利搜索

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发明名称	Coded track circuit signaling system
摘要
申请公布号	US2350657(A)	申请公布日期	1944.06.06
申请号	US19420466406	申请日期	1942.11.21
申请人	GENERAL RAILWAY SIGNAL COMPANY	发明人	WYNN HAROLD S.
分类号	B61L23/22	主分类号	B61L23/22
代理机构		代理人
主权项
地址

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