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发明名称	KEYBOARD
摘要
申请公布号	JPH0397017(A)	申请公布日期	1991.04.23
申请号	JP19890234314	申请日期	1989.09.08
申请人	NEC ENG LTD	发明人	YAMAZAKI TETSUO
分类号	G06F3/02;G06F3/023;H03M11/14	主分类号	G06F3/02
代理机构		代理人
主权项
地址

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