发明名称 Sound absorber
摘要 Free-standing sound absorber consisting of an open-cell foam body designed in the manner of a board, having at least one opening in a lateral face for plugging together another, similarly designed foam body. The opening has a height corresponding approximately to half the height of the foam body. The depth of the opening corresponds to the thickness of the foam body.
申请公布号 US5495078(A) 申请公布日期 1996.02.27
申请号 US19930147197 申请日期 1993.11.03
申请人 FIRMA CARL FREUDENBERG 发明人 STIEF, REINHARD;MUELLER-BROLL, GERHARD
分类号 G10K11/16;E04B1/82;E04B1/84;(IPC1-7):E04B1/82 主分类号 G10K11/16
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