RELAY LINE DEVICE,申请号JP19890234278-传众专利搜索

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发明名称	RELAY LINE DEVICE
摘要
申请公布号	JPH0396190(A)	申请公布日期	1991.04.22
申请号	JP19890234278	申请日期	1989.09.08
申请人	NEC CORP	发明人	KOBAYASHI YOSHIKAZU
分类号	H04Q3/42;H04M7/06;H04Q1/30	主分类号	H04Q3/42
代理机构		代理人
主权项
地址

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