ACOUSTIC APPARATUS WEARABLE ON THE HEAD,申请号KR20020020300-传众专利搜索

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发明名称	ACOUSTIC APPARATUS WEARABLE ON THE HEAD
摘要
申请公布号	KR100879418(B1)	申请公布日期	2009.01.19
申请号	KR20020020300	申请日期	2002.04.15
申请人		发明人
分类号	H04R1/10;H04R5/033;(IPC1-7):H04R1/10	主分类号	H04R1/10
代理机构		代理人
主权项
地址

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