FILTRO PASSIVO AD ISTRUZIONE E RISONANZA PER APLICAZIONI DI DIFFUSORI ACUSTICI DI ALTA FEDELTA'.,申请号IT1997PC00002-传众专利搜索

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发明名称	FILTRO PASSIVO AD ISTRUZIONE E RISONANZA PER APLICAZIONI DI DIFFUSORI ACUSTICI DI ALTA FEDELTA'.
摘要
申请公布号	ITPC970002(A1)	申请公布日期	1998.07.14
申请号	IT1997PC00002	申请日期	1997.01.14
申请人	ACOUSTICAR DI GROPPI VALTER	发明人	GROPPI VALTER
分类号	H03F	主分类号	H03F
代理机构		代理人
主权项
地址

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