COMMUNICATION EQUIPMENT SWITCHING SYSTEM,申请号JP19890286256-传众专利搜索

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发明名称	COMMUNICATION EQUIPMENT SWITCHING SYSTEM
摘要
申请公布号	JPH03148925(A)	申请公布日期	1991.06.25
申请号	JP19890286256	申请日期	1989.11.02
申请人	NEC CORP;NEC MIYAGI LTD	发明人	NAGAO YOSHIHIRO;YAMAMURA KENICHI
分类号	H04B1/74	主分类号	H04B1/74
代理机构		代理人
主权项
地址

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