A structure and manufacturing method of resinous earpiece,申请号KR20040011968-传众专利搜索

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法人/股东/高管

发明名称	A structure and manufacturing method of resinous earpiece
摘要
申请公布号	KR100668768(B1)	申请公布日期	2007.01.12
申请号	KR20040011968	申请日期	2004.02.23
申请人		发明人
分类号	G02C5/20	主分类号	G02C5/20
代理机构		代理人
主权项
地址

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