Improved wired broadcasting systems,申请号GB19520009255-传众专利搜索

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发明名称	Improved wired broadcasting systems
摘要
申请公布号	GB722833(A)	申请公布日期	1955.02.02
申请号	GB19520009255	申请日期	1952.04.10
申请人	COMMUNICATIONS PATENTS LIMITED	发明人	KINROSS RUPERT IVOR
分类号	H04H20/76	主分类号	H04H20/76
代理机构		代理人
主权项
地址

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