Verfahren zur Signalfrequenzeinspeisung in einer Fernsprechanlage,申请号CH19660006180-传众专利搜索

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发明名称	Verfahren zur Signalfrequenzeinspeisung in einer Fernsprechanlage
摘要
申请公布号	CH454959(A)	申请公布日期	1968.04.30
申请号	CH19660006180	申请日期	1966.04.28
申请人	STANDARD TELEPHON UND RADIO AG	发明人	ALBERT GFELLER,HANS PETER
分类号	H04Q1/446;(IPC1-7):H04B3/42	主分类号	H04Q1/446
代理机构		代理人
主权项
地址

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