Signal selector device,申请号GB19550007229-传众专利搜索

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发明名称	Signal selector device
摘要
申请公布号	GB769479(A)	申请公布日期	1957.03.06
申请号	GB19550007229	申请日期	1955.03.11
申请人	INTERNATIONAL MARINE RADIO COMPANY LIMITED	发明人
分类号	H04L15/26	主分类号	H04L15/26
代理机构		代理人
主权项
地址

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