CONFERENCE CIRCUITS FOR TELEPHONE EXCHANGES OF DIGITAL TYPE,申请号GB19760032050-传众专利搜索

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发明名称	CONFERENCE CIRCUITS FOR TELEPHONE EXCHANGES OF DIGITAL TYPE
摘要
申请公布号	GB1528240(A)	申请公布日期	1978.10.11
申请号	GB19760032050	申请日期	1976.08.02
申请人	SIEMENS SPA ITALIANA	发明人
分类号	H04M3/56;(IPC1-7):H04M3/56	主分类号	H04M3/56
代理机构		代理人
主权项
地址

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