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发明名称	KEY TELEPHONE SYSTEM
摘要
申请公布号	JPS6384399(A)	申请公布日期	1988.04.14
申请号	JP19860231443	申请日期	1986.09.29
申请人	NEC CORP	发明人	UEJIMA YOSHIYUKI
分类号	H04Q3/58	主分类号	H04Q3/58
代理机构		代理人
主权项
地址

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