SOUND-ATTENUATING EARMUFF HAVING ISOLATED DOUBLE-SHELL STRUCTURE,申请号EP20070865170-传众专利搜索

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发明名称	SOUND-ATTENUATING EARMUFF HAVING ISOLATED DOUBLE-SHELL STRUCTURE
摘要
申请公布号	EP2127469(A2)	申请公布日期	2009.12.02
申请号	EP20070865170	申请日期	2007.12.04
申请人	ADAPTIVE TECHNOLOGIES, INC.	发明人	DU, YU;HOMMA, KENJI;VAUDREY, MICHAEL A.
分类号	H04R21/00	主分类号	H04R21/00
代理机构		代理人
主权项
地址

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