Improvements in or relating to communication systems,申请号GB19560032704-传众专利搜索

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发明名称	Improvements in or relating to communication systems
摘要
申请公布号	GB815632(A)	申请公布日期	1959.07.01
申请号	GB19560032704	申请日期	1956.10.26
申请人	WESTERN ELECTRIC COMPANY	发明人
分类号	H04Q3/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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