TELEPHONE EXCHANGE,申请号JP19880190010-传众专利搜索

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发明名称	TELEPHONE EXCHANGE
摘要
申请公布号	JPH0239762(A)	申请公布日期	1990.02.08
申请号	JP19880190010	申请日期	1988.07.29
申请人	NEC CORP	发明人	KAWAMURA TOSHIKI
分类号	H04M3/48	主分类号	H04M3/48
代理机构		代理人
主权项
地址

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