Improvements in or relating to multiplex signalling systems,申请号GB19540033078-传众专利搜索

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发明名称	Improvements in or relating to multiplex signalling systems
摘要
申请公布号	GB794031(A)	申请公布日期	1958.04.30
申请号	GB19540033078	申请日期	1954.11.15
申请人	PHILIPS ELECTRICAL INDUSTRIES LIMITED	发明人
分类号	H04B14/08;H04N11/12	主分类号	H04B14/08
代理机构		代理人
主权项
地址

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