DIGITAL DATA TRANSMISSION,申请号GB19760014991-传众专利搜索

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发明名称	DIGITAL DATA TRANSMISSION
摘要
申请公布号	GB1538124(A)	申请公布日期	1979.01.10
申请号	GB19760014991	申请日期	1976.04.13
申请人	SIEMENS AG	发明人
分类号	H04Q11/04;(IPC1-7):H04B3/20	主分类号	H04Q11/04
代理机构		代理人
主权项
地址

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