OPTICAL MATRIX KEYBOARD,申请号JP19920016452-传众专利搜索

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发明名称	OPTICAL MATRIX KEYBOARD
摘要
申请公布号	JPH06119844(A)	申请公布日期	1994.04.28
申请号	JP19920016452	申请日期	1992.01.31
申请人	KUROODO BATARERU	发明人	KUROODO BATARERU
分类号	G02B26/02;H01H13/00;H01H13/52;H01H35/00;H03K17/969;(IPC1-7):H01H13/00	主分类号	G02B26/02
代理机构		代理人
主权项
地址

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