MESSAGE CONVEYING TRUNK FOR PRIVATE BRANCH EXCHANGE,申请号JP19900262488-传众专利搜索

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发明名称	MESSAGE CONVEYING TRUNK FOR PRIVATE BRANCH EXCHANGE
摘要
申请公布号	JPH04138756(A)	申请公布日期	1992.05.13
申请号	JP19900262488	申请日期	1990.09.28
申请人	NEC ENG LTD	发明人	NISHIMURA KOJI
分类号	H04M3/50;H04M3/42;H04M3/533;H04Q3/42;H04Q3/58	主分类号	H04M3/50
代理机构		代理人
主权项
地址

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