Improvements relating to lamp signalling in telephone switchboards,申请号GB19590000903-传众专利搜索

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发明名称	Improvements relating to lamp signalling in telephone switchboards
摘要
申请公布号	GB839538(A)	申请公布日期	1960.06.29
申请号	GB19590000903	申请日期	1959.01.09
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人
分类号	H04M3/64	主分类号	H04M3/64
代理机构		代理人
主权项
地址

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