Code communication system,申请号US19530390590-传众专利搜索

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发明名称	Code communication system
摘要
申请公布号	US2793357(A)	申请公布日期	1957.05.21
申请号	US19530390590	申请日期	1953.11.06
申请人	GENERAL RAILWAY SIGNAL COMPANY	发明人	WYNN HAROLD S.
分类号	B61L25/06	主分类号	B61L25/06
代理机构		代理人
主权项
地址

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