DIFFUSORE ACUSTICO DI FORMA VARIABILE,申请号IT1994BO00175U-传众专利搜索

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发明名称	DIFFUSORE ACUSTICO DI FORMA VARIABILE
摘要
申请公布号	IT232080(Y1)	申请公布日期	1999.08.16
申请号	IT1994BO00175U	申请日期	1994.10.21
申请人	G.D.R. ELECTRONIC SRL	发明人
分类号	H04R	主分类号	H04R
代理机构		代理人
主权项
地址

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