KEYBOARD EXTENSION SYSTEM,申请号JP19970254658-传众专利搜索

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发明名称	KEYBOARD EXTENSION SYSTEM
摘要
申请公布号	JPH1195898(A)	申请公布日期	1999.04.09
申请号	JP19970254658	申请日期	1997.09.19
申请人	HITACHI LTD	发明人	ARIMOTO MASANOBU;HINO NORIAKI
分类号	G06F3/02;(IPC1-7):G06F3/02	主分类号	G06F3/02
代理机构		代理人
主权项
地址

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