LOOPBACK SYSTEM FOR DUPLEX TRANSMISSION LINE,申请号JP19910150496-传众专利搜索

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发明名称	LOOPBACK SYSTEM FOR DUPLEX TRANSMISSION LINE
摘要
申请公布号	JPH04373233(A)	申请公布日期	1992.12.25
申请号	JP19910150496	申请日期	1991.06.21
申请人	HITACHI CABLE LTD	发明人	OE SHINICHI
分类号	H04L12/42	主分类号	H04L12/42
代理机构		代理人
主权项
地址

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