Improvements in or relating to electrical signalling systems,申请号GB19530023504-传众专利搜索

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发明名称	Improvements in or relating to electrical signalling systems
摘要
申请公布号	GB760927(A)	申请公布日期	1956.11.07
申请号	GB19530023504	申请日期	1953.08.26
申请人	ERICSSON TELEPHONES LIMITED;JOHN ROBERT POLLARD;JOHN THOMAS STRINGER;DANIEL MATTHEW TAUB	发明人
分类号	H04W88/02	主分类号	H04W88/02
代理机构		代理人
主权项
地址

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