Processing interactions among telecommunications call features,申请号US19910686647-传众专利搜索

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发明名称	Processing interactions among telecommunications call features
摘要
申请公布号	US5251255(A)	申请公布日期	1993.10.05
申请号	US19910686647	申请日期	1991.04.17
申请人	AT&T BELL LABORATORIES	发明人	EPLEY, ROBERT V.
分类号	H04M3/42;H04M11/00;H04Q3/00;H04Q3/47;(IPC1-7):H04M3/00;H04M7/00	主分类号	H04M3/42
代理机构		代理人
主权项
地址

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