DIAL PULSE SIGNAL DIALING CONTROL SYSTEM,申请号JP19890313494-传众专利搜索

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发明名称	DIAL PULSE SIGNAL DIALING CONTROL SYSTEM
摘要
申请公布号	JPH03174855(A)	申请公布日期	1991.07.30
申请号	JP19890313494	申请日期	1989.12.04
申请人	NEC CORP;NEC COMMUN SYST LTD	发明人	SUZUKI MASAAKI;MATSUI YASUO
分类号	H04M1/27	主分类号	H04M1/27
代理机构		代理人
主权项
地址

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