Improvements in indicating systems for electrical signals,申请号GB19420010544-传众专利搜索

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发明名称	Improvements in indicating systems for electrical signals
摘要
申请公布号	GB559062(A)	申请公布日期	1944.02.02
申请号	GB19420010544	申请日期	1942.07.28
申请人	STANDARD TELEPHONES AND CABLES LIMITED;CHARLES WILLIAM EARP;JEFFREY DENNIS WESTON	发明人
分类号	H04L15/28	主分类号	H04L15/28
代理机构		代理人
主权项
地址

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