SUBSCRIBER LINE TEST SYSTEM,申请号JP19890125012-传众专利搜索

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发明名称	SUBSCRIBER LINE TEST SYSTEM
摘要
申请公布号	JPH02303257(A)	申请公布日期	1990.12.17
申请号	JP19890125012	申请日期	1989.05.17
申请人	NEC CORP	发明人	YOKOYAMA MOTOYUKI
分类号	H04M3/30	主分类号	H04M3/30
代理机构		代理人
主权项
地址

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