SUBSCRIBER LINE MULTIPLEX EXCHANGE SYSTEM,申请号JP19900084172-传众专利搜索

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发明名称	SUBSCRIBER LINE MULTIPLEX EXCHANGE SYSTEM
摘要
申请公布号	JPH03283953(A)	申请公布日期	1991.12.13
申请号	JP19900084172	申请日期	1990.03.30
申请人	NEC CORP	发明人	KAWAKAMI MASAKAZU
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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