SOUND ABSORPTION DEVICE OF BROAD NOISE CONTROL AND MANUFACTURING METHOD THEREOF,申请号KR20090043493-传众专利搜索

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发明名称	SOUND ABSORPTION DEVICE OF BROAD NOISE CONTROL AND MANUFACTURING METHOD THEREOF
摘要
申请公布号	KR101026765(B1)	申请公布日期	2011.04.11
申请号	KR20090043493	申请日期	2009.05.19
申请人		发明人
分类号	F02M35/14;F02M35/12;G10K11/16	主分类号	F02M35/14
代理机构		代理人
主权项
地址

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