PROVIDING PERSONALISED TELEPHONE SUBSCRIBER FEATURES,申请号GB19870027421-传众专利搜索

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发明名称	PROVIDING PERSONALISED TELEPHONE SUBSCRIBER FEATURES
摘要
申请公布号	GB8727421(D0)	申请公布日期	1987.12.23
申请号	GB19870027421	申请日期	1987.11.23
申请人	AMERICAN TELEPHONE & TELEGRAPH CO	发明人
分类号	H04M3/38;H04M3/42;H04Q3/00;H04Q3/545	主分类号	H04M3/38
代理机构		代理人
主权项
地址

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