A METHOD FOR MEASURING THE OVERALL LOSS IN FOUR-WIRE PHONE CIRCUITS, AND APPARATUS FOR CARRYING IT OUT,申请号EP19870104272-传众专利搜索

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发明名称	A METHOD FOR MEASURING THE OVERALL LOSS IN FOUR-WIRE PHONE CIRCUITS, AND APPARATUS FOR CARRYING IT OUT
摘要
申请公布号	EP0253062(B1)	申请公布日期	1992.05.27
申请号	EP19870104272	申请日期	1987.03.24
申请人	RAI RADIOTELEVISIONE ITALIANA	发明人	VOLTA, GIOVANNI
分类号	H04B3/48	主分类号	H04B3/48
代理机构		代理人
主权项
地址

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