Telephone answering equipment,申请号US19620167310-传众专利搜索

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发明名称	Telephone answering equipment
摘要
申请公布号	US3141931(A)	申请公布日期	1964.07.21
申请号	US19620167310	申请日期	1962.01.19
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	ZAROUNI ALFRED
分类号	H04M3/533	主分类号	H04M3/533
代理机构		代理人
主权项
地址

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