Portable megaphone equipped with two way speaker,申请号KR20080009085U-传众专利搜索

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发明名称	Portable megaphone equipped with two way speaker
摘要
申请公布号	KR20100000532(U)	申请公布日期	2010.01.18
申请号	KR20080009085U	申请日期	2008.07.08
申请人		发明人
分类号	H04R27/04	主分类号	H04R27/04
代理机构		代理人
主权项
地址

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