Two way communication system,申请号GB19580022389-传众专利搜索

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发明名称	Two way communication system
摘要
申请公布号	GB889956(A)	申请公布日期	1962.02.21
申请号	GB19580022389	申请日期	1958.07.11
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人
分类号	H04B7/005;H04B7/165	主分类号	H04B7/005
代理机构		代理人
主权项
地址

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