Telephone answering machines,申请号GB19790011849-传众专利搜索

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发明名称	Telephone answering machines
摘要
申请公布号	GB2020510(A)	申请公布日期	1979.11.14
申请号	GB19790011849	申请日期	1979.04.04
申请人	ANSAFONE LTD	发明人
分类号	H04M1/654;(IPC1-7):H04M1/65	主分类号	H04M1/654
代理机构		代理人
主权项
地址

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