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发明名称	KEY TELEPHONE SET
摘要
申请公布号	JPH0385088(A)	申请公布日期	1991.04.10
申请号	JP19890220288	申请日期	1989.08.29
申请人	NEC CORP	发明人	TOMITA HIROKO
分类号	H04M1/00;H04M3/02;H04Q3/58	主分类号	H04M1/00
代理机构		代理人
主权项
地址

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