PORTABLE DIGITAL ELECTRONIC DEVICE FOR INDIVIDUAL LEARNING,申请号HU20040002347-传众专利搜索

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发明名称	PORTABLE DIGITAL ELECTRONIC DEVICE FOR INDIVIDUAL LEARNING
摘要
申请公布号	HU0402347(D0)	申请公布日期	2005.01.28
申请号	HU20040002347	申请日期	2004.11.11
申请人	BARANYI OLGA DR	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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