Pen with digital audio component,申请号US20050229227F-传众专利搜索

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发明名称	Pen with digital audio component
摘要
申请公布号	USD545896(S1)	申请公布日期	2007.07.03
申请号	US20050229227F	申请日期	2005.05.03
申请人	BEIFA GROUP CO., LTD.	发明人	QIU ZHIMING
分类号		主分类号
代理机构		代理人
主权项
地址

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