Improvements in or relating to party line telephone systems,申请号GB19530020993-传众专利搜索

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发明名称	Improvements in or relating to party line telephone systems
摘要
申请公布号	GB759607(A)	申请公布日期	1956.10.24
申请号	GB19530020993	申请日期	1953.07.29
申请人	THE GENERAL ELECTRIC COMPANY LIMITED	发明人	SCOWCROFT JOHN;BEESLEY JOHN HENRY
分类号	H04Q5/00	主分类号	H04Q5/00
代理机构		代理人
主权项
地址

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