SOUND ELIMINATION DEVICE FOR DUCT,申请号JP19910232455-传众专利搜索

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发明名称	SOUND ELIMINATION DEVICE FOR DUCT
摘要
申请公布号	JPH0546181(A)	申请公布日期	1993.02.26
申请号	JP19910232455	申请日期	1991.08.21
申请人	MITSUBISHI ELECTRIC CORP	发明人	NAGAI KOJI
分类号	G10K11/178;G10K11/16	主分类号	G10K11/178
代理机构		代理人
主权项
地址

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