Morning call system,申请号US19590825604-传众专利搜索

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发明名称	Morning call system
摘要
申请公布号	US3046339(A)	申请公布日期	1962.07.24
申请号	US19590825604	申请日期	1959.07.07
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	BREEN CHARLES;MICHAEL HENRY J.
分类号	H04M3/432	主分类号	H04M3/432
代理机构		代理人
主权项
地址

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