Acoustical control media
作者： Michael Paul Webster
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摘要: An acoustical control media includes an air impervious septum (10) adjacent which there is positioned a relatively thick layer of low density fibrous filler material (12) on the outside provided thin medium (14) formed with perforations (16). The so can be used in panels employed to separate work areas office and such applications decorative coverings (20) over perforated layer. structure provides improved broad bandwidth absorption energy.
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