Automatic call information recording system,申请号GB19570031787-传众专利搜索

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发明名称	Automatic call information recording system
摘要
申请公布号	GB869513(A)	申请公布日期	1961.05.31
申请号	GB19570031787	申请日期	1957.10.11
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人
分类号	H03K17/82;H04M3/36;H04M15/04;H04Q3/00	主分类号	H03K17/82
代理机构		代理人
主权项
地址

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