发明名称 Acoustic diffuser and method of production
摘要 Acoustic diffuser comprising a containing element able to contain at least a loudspeaker, wherein the containing element is formed by a monocoque made with granules of solid mineral held together by a cohesion material.
申请公布号 US6705426(B2) 申请公布日期 2004.03.16
申请号 US20010040732 申请日期 2001.12.28
申请人 COPETTI ALESSANDRO 发明人 COPETTI ALESSANDRO
分类号 H04R1/02;H04R1/28;(IPC1-7):H05K5/00 主分类号 H04R1/02
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