Loundpeaker system with audio monitoring loudspeaker,申请号PL20090117294U-传众专利搜索

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发明名称	Loundpeaker system with audio monitoring loudspeaker
摘要
申请公布号	PL65064(Y1)	申请公布日期	2010.08.31
申请号	PL20090117294U	申请日期	2009.08.31
申请人	SIEWRUK DARIUSZ	发明人	SIEWRUK DARIUSZ
分类号	H04R1/20	主分类号	H04R1/20
代理机构		代理人
主权项
地址

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