Control apparatus for telephone answering system,申请号US19600049568-传众专利搜索

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发明名称	Control apparatus for telephone answering system
摘要
申请公布号	US3146310(A)	申请公布日期	1964.08.25
申请号	US19600049568	申请日期	1960.08.15
申请人	ROBERT JEFFRIES;PROVENCAL ROBERT L	发明人	JEFFRIES ROBERT;PROVENCAL ROBERT L.
分类号	H04M1/652	主分类号	H04M1/652
代理机构		代理人
主权项
地址

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