PRIVATE BRANCH ELECTRONIC EXCHANGE,申请号JP19890105447-传众专利搜索

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发明名称	PRIVATE BRANCH ELECTRONIC EXCHANGE
摘要
申请公布号	JPH02283194(A)	申请公布日期	1990.11.20
申请号	JP19890105447	申请日期	1989.04.24
申请人	NEC CORP	发明人	TAKAHASHI HIDEO
分类号	H04Q3/58;H04L12/64	主分类号	H04Q3/58
代理机构		代理人
主权项
地址

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