Method for coupling a user terminal to an existing call,申请号GB19940025309-传众专利搜索

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发明名称	Method for coupling a user terminal to an existing call
摘要
申请公布号	GB9425309(D0)	申请公布日期	1995.02.15
申请号	GB19940025309	申请日期	1994.12.15
申请人	SIEMENS AKTIENGESELLSCHAFT	发明人
分类号	H04M3/56	主分类号	H04M3/56
代理机构		代理人
主权项
地址

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