Telephone-answering and message-recording system,申请号US19530395165-传众专利搜索

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发明名称	Telephone-answering and message-recording system
摘要
申请公布号	US2928898(A)	申请公布日期	1960.03.15
申请号	US19530395165	申请日期	1953.11.30
申请人	EMMETT R. SALZBERG	发明人	SALZBERG EMMETT R.;GOODMAN DAVID M.
分类号	H04M1/65	主分类号	H04M1/65
代理机构		代理人
主权项
地址

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