Improvements in or relating to multichannel electric pulse signalling systems,申请号GB19510021560-传众专利搜索

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发明名称	Improvements in or relating to multichannel electric pulse signalling systems
摘要
申请公布号	GB706047(A)	申请公布日期	1954.03.24
申请号	GB19510021560	申请日期	1951.09.13
申请人	THE GENERAL ELECTRIC COMPANY LIMITED	发明人	LITTLE JOHN GILBERT
分类号	H04J3/00	主分类号	H04J3/00
代理机构		代理人
主权项
地址

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