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发明名称	AN EAR PLUG
摘要
申请公布号	KR20060064803(A)	申请公布日期	2006.06.14
申请号	KR20040103455	申请日期	2004.12.09
申请人	YU, SUNG WOO	发明人	YU, SUNG WOO
分类号	H04R1/10	主分类号	H04R1/10
代理机构		代理人
主权项
地址

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