LOUDSPEAKER BOX WITH RESONANCE PORT,申请号JP19890223291-传众专利搜索

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发明名称	LOUDSPEAKER BOX WITH RESONANCE PORT
摘要
申请公布号	JPH0388598(A)	申请公布日期	1991.04.12
申请号	JP19890223291	申请日期	1989.08.31
申请人	YAMAHA CORP	发明人	SAEKI TATSUO
分类号	H04R1/00;H04R1/02	主分类号	H04R1/00
代理机构		代理人
主权项
地址

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