CHARACTER PRACTICE DEVICE,申请号JP19910119539-传众专利搜索

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发明名称	CHARACTER PRACTICE DEVICE
摘要
申请公布号	JPH04277786(A)	申请公布日期	1992.10.02
申请号	JP19910119539	申请日期	1991.03.05
申请人	NEC CORP	发明人	EGASHIRA MAYUMI
分类号	G09B7/02;G06F17/21	主分类号	G09B7/02
代理机构		代理人
主权项
地址

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