Telephone answering system,申请号US19640363359-传众专利搜索

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发明名称	Telephone answering system
摘要
申请公布号	US3341663(A)	申请公布日期	1967.09.12
申请号	US19640363359	申请日期	1964.04.29
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	STEFANO VINCENT R. DE
分类号	H04M3/54	主分类号	H04M3/54
代理机构		代理人
主权项
地址

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